*: add -Wunused-parameter; fix resulting breakage

function                                             old     new   delta
procps_scan                                         1265    1298     +33
aliascmd                                             278     283      +5
parse_file_cmd                                       116     120      +4
dname_enc                                            373     377      +4
setcmd                                                90      93      +3
execcmd                                               57      60      +3
count_lines                                           72      74      +2
process_command_subs                                 340     339      -1
test_main                                            409     407      -2
mknod_main                                           179     177      -2
handle_incoming_and_exit                            2653    2651      -2
argstr                                              1312    1310      -2
shiftcmd                                             131     128      -3
exitcmd                                               46      43      -3
dotcmd                                               297     294      -3
breakcmd                                              86      83      -3
evalpipe                                             353     349      -4
evalcommand                                         1180    1176      -4
evalcmd                                              109     105      -4
send_tree                                            374     369      -5
mkfifo_main                                           82      77      -5
evalsubshell                                         152     147      -5
typecmd                                               75      69      -6
letcmd                                                61      55      -6
add_cmd                                             1190    1183      -7
main                                                 891     883      -8
ash_main                                            1415    1407      -8
parse_stream                                        1377    1367     -10
alloc_procps_scan                                     55       -     -55
------------------------------------------------------------------------------
(add/remove: 0/1 grow/shrink: 7/21 up/down: 54/-148)          Total: -94 bytes
   text    data     bss     dec     hex filename
 797195     658    7428  805281   c49a1 busybox_old
 797101     658    7428  805187   c4943 busybox_unstripped

2 files changed, 4 insertions, 2 deletions

diff --git a/include/busybox.h b/include/busybox.h
index ec6953e87..52720244b 100644
--- a/include/busybox.h
+++ b/include/busybox.h
@@ -59,7 +59,9 @@ extern const uint8_t applet_install_loc[];
 /* Length of these names has effect on size of libbusybox
  * and "individual" binaries. Keep them short.
  */
-void lbb_prepare(const char *applet, char **argv) MAIN_EXTERNALLY_VISIBLE;
+void lbb_prepare(const char *applet
+        USE_FEATURE_INDIVIDUAL(, char **argv)
+        ) MAIN_EXTERNALLY_VISIBLE;
 #if ENABLE_BUILD_LIBBUSYBOX
 #if ENABLE_FEATURE_SHARED_BUSYBOX
 int lbb_main(int argc, char **argv) EXTERNALLY_VISIBLE;
diff --git a/include/libbb.h b/include/libbb.h
index 09deba671..ee1ef518e 100644
--- a/include/libbb.h
+++ b/include/libbb.h
@@ -1120,7 +1120,7 @@ enum {
                         | PSSCAN_STIME | PSSCAN_UTIME | PSSCAN_START_TIME
                         | PSSCAN_TTY,
 };
-procps_status_t* alloc_procps_scan(int flags);
+//procps_status_t* alloc_procps_scan(void);
 void free_procps_scan(procps_status_t* sp);
 procps_status_t* procps_scan(procps_status_t* sp, int flags);
 /* Format cmdline (up to col chars) into char buf[col+1] */