--- subversion/libsvn_delta/text_delta.c~	2013-04-12 17:14:37.000000000 +0930
+++ subversion/libsvn_delta/text_delta.c	2014-08-11 16:56:33.540477151 +0930
@@ -669,14 +669,15 @@ patterning_copy(char *target, const char
 
 #if SVN_UNALIGNED_ACCESS_IS_OK
 
-  if (end + sizeof(apr_uint32_t) <= target)
+  typedef struct _unaligned { char u[4]; } unaligned32;
+  if (source + sizeof(unaligned32) <= target)
     {
       /* Source and target are at least 4 bytes apart, so we can copy in
        * 4-byte chunks.  */
-      for (; source + sizeof(apr_uint32_t) <= end;
-           source += sizeof(apr_uint32_t),
-           target += sizeof(apr_uint32_t))
-      *(apr_uint32_t *)(target) = *(apr_uint32_t *)(source);
+      for (; source + sizeof(unaligned32) <= end;
+           source += sizeof(unaligned32),
+           target += sizeof(unaligned32))
+      *(unaligned32 *)target = *(unaligned32 *)source;
     }
 
 #endif