make sure that hash-function always uses a 32bit int (fixes #1279)

git-svn-id: svn://svn.lighttpd.net/lighttpd/branches/lighttpd-1.4.x@1908 152afb58-edef-0310-8abb-c4023f1b3aa9

NEWS

@@ -5,6 +5,7 @@ NEWS
 
 - 1.4.17 -
   * fixed hardcoded font-sizes in mod_dirlisting (#1267)
+  * fixed different ETag length on 32/64 platforms (#1279)
 
 - 1.4.16 - 
 

src/etag.c

@@ -1,4 +1,5 @@
 #include <string.h>
+#include <stdint.h>
 
 #include "buffer.h"
 #include "etag.h"
@@ -31,7 +32,8 @@ int etag_create(buffer *etag, struct stat *st,etag_flags_t flags) {
 }
 
 int etag_mutate(buffer *mut, buffer *etag) {
-	size_t h, i;
+	size_t i;
+	uint32_t h;
 
 	for (h=0, i=0; i < etag->used; ++i) h = (h<<5)^(h>>27)^(etag->ptr[i]);