rpm: respect BB_SYSTEMROOTHEADmaster

Update the 'rpm' applet so it also respects the BB_SYSTEMROOT
environment variable.

Replace chdir_system_drive() with xchdir_system_drive(), which
exits on failure to change directory.

Saves 32-36 bytes.

(GitHub PR #603)

Signed-off-by: Ron Yorston <rmy@pobox.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/miscutils/man.c b/miscutils/man.c
index cf67f1538..e6da41624 100644
--- a/miscutils/man.c
+++ b/miscutils/man.c
@@ -287,7 +287,7 @@ int man_main(int argc UNUSED_PARAM, char **argv)
                 if (strchr(*ptr, '/') || strchr(*ptr, '\\'))
                         *ptr = xabsolute_path(*ptr);
         }
-        chdir_system_drive();
+        xchdir_system_drive();
 #endif
 
         conf_sec_list = xstrdup("0p:1:1p:2:3:3p:4:5:6:7:8:9");