Index: libmicrohttpd-0.9.50/src/microhttpd/mhd_str.c
===================================================================
--- libmicrohttpd-0.9.50.orig/src/microhttpd/mhd_str.c	2016-05-02 14:22:44.000000000 +0200
+++ libmicrohttpd-0.9.50/src/microhttpd/mhd_str.c	2016-07-15 11:06:39.896282700 +0200
@@ -271,7 +271,8 @@
 int
 MHD_str_equal_caseless_n_ (const char * const str1, const char * const str2, size_t maxlen)
 {
-  for (size_t i = 0; i < maxlen; ++i)
+  size_t i;
+  for (i = 0; i < maxlen; ++i)
     {
       const char c1 = str1[i];
       const char c2 = str2[i];