File doxygen-1.7.0-warnings.patch of Package doxygen

Index: src/util.cpp
===================================================================
--- src/util.cpp.orig
+++ src/util.cpp
@@ -4807,9 +4807,9 @@ QCString escapeCharsInString(const char
   static bool caseSenseNames = Config_getBool("CASE_SENSE_NAMES");
   static StrBuf strBuf;
   strBuf.clear();
-  char c;
+  unsigned char c;
   const char *p=name;
-  while ((c=*p++)!=0)
+  while ((c=(unsigned char)*p++)!=0)
   {
     switch(c)
     {
@@ -4837,11 +4837,11 @@ QCString escapeCharsInString(const char
       case '=': strBuf.addStr("_0A"); break;
       case '$': strBuf.addStr("_0B"); break;
       default: 
-                if (c<0)
+                if (c>0x7f)
                 {
                   static char map[] = "0123456789ABCDEF";
                   char ids[5];
-                  unsigned char id = (unsigned char)c;
+                  unsigned char id = c;
                   ids[0]='_';
                   ids[1]='x';
                   ids[2]=map[id>>4];