win32: shrink code to detect .exe files

Add a function (has_exe_suffix) to replace explicit code to check
if a filename ends with '.exe. or '.com'.

Also shrink code that checks for '.exe' or '.com' on PATH in shell's
find_command function.

1 files changed, 1 insertions, 0 deletions

diff --git a/include/mingw.h b/include/mingw.h
index d7dabacaf..dd676bf2c 100644
--- a/include/mingw.h
+++ b/include/mingw.h
@@ -471,6 +471,7 @@ char **env_setenv(char **env, const char *name);
 const char *get_busybox_exec_path(void);
 void init_winsock(void);
 
+int has_exe_suffix(const char *p);
 char *file_is_win32_executable(const char *p);
 
 int err_win_to_posix(DWORD winerr);