1 files changed, 4 insertions, 6 deletions
diff --git a/support.h b/support.h
index f94936ce5..1f3aca160 100644
--- a/support.h
+++ b/support.h
@@ -1,3 +1,5 @@
+#ifndef SUPPORT_H
+#define SUPPORT_H
 
 #ifdef HAVE_LIBGEN_H
 #include <libgen.h>
@@ -7,20 +9,16 @@
 char *basename(char *path);
 #endif
 
-#ifndef HAVE_STRCASESTR
-char *strcasestr(const char *haystack, const char *needle);
-#endif
-
 #define IS_WHITESPACE(c) (c==' ' || c=='\t' || c=='\r' || c=='\n')
 
 char *trim(char *str);
 char *remove_trailing_slash(char *path);
 char *lowerstr(char *str);
-
+char *strcasestr(const char *haystack, const char *needle);
 
 int charset_init(void);
 int charset_close(void);
 char *utf8_to_locale(char *str);
 char *locale_to_utf8(char *str);
 
-
+#endif