Add compat/fopen.c which returns NULL on attempt to open directory

diff --git a/compat/setenv.c b/compat/setenv.c
index b7d76785980b81a6f1057d678d34a732f45ca4cd..3a22ea7b751efb768d72afa2f97fd963e10eec7e 100644 (file)
--- a/compat/setenv.c
+++ b/compat/setenv.c
@@ -1,5 +1,4 @@
-#include <stdlib.h>
-#include <string.h>
+#include "../git-compat-util.h"
 
 int gitsetenv(const char *name, const char *value, int replace)
 {