Dereference pointer to deal with -Wpointer-compare warning. Fix warning: comparison between pointer and zero character constant [-Wpointer-compare]
pam_encfs.c: In function 'getHome': pam_encfs.c:249:40: warning: comparison between pointer and zero character constant [-Wpointer-compare] 249 | if (pwd->pw_dir && pwd->pw_dir != '\0') | ^~ pam_encfs.c:249:28: note: did you mean to dereference the pointer? 249 | if (pwd->pw_dir && pwd->pw_dir != '\0') | ^
