Fixed gcc-4.3.2 warnings with the warn_unused_result flag in some APIs
git-svn-id: https://svn.pjsip.org/repos/pjproject/trunk@2408 74dad513-b988-da41-8d7b-12977e46ad98
diff --git a/pjsip-apps/src/samples/mix.c b/pjsip-apps/src/samples/mix.c
index 6cf93a0..f409af2 100644
--- a/pjsip-apps/src/samples/mix.c
+++ b/pjsip-apps/src/samples/mix.c
@@ -129,7 +129,8 @@
printf("File %s exists, overwrite? [Y/N] ", out_fname);
fflush(stdout);
- fgets(in, sizeof(in), stdin);
+ if (fgets(in, sizeof(in), stdin) == NULL)
+ return 1;
if (pj_tolower(in[0]) != 'y')
return 1;
}