--- qtemporaryfile.cpp	2010-02-20 21:10:45 +0100
+++ qtemporaryfile-fix.cpp	2010-02-20 21:12:31 +0100
@@ -141,6 +141,9 @@
 #else
     pid = getpid();
 #endif
+    if (pid < 0) {
+        pid = -pid;
+    }
     while (trv >= path && *trv == 'X' && pid != 0) {
         *trv-- = (pid % 10) + '0';
         pid /= 10;