For functions in the binary, output something compatible with addr2line. b=230336 r=brendan

git-svn-id: svn://10.0.0.236/trunk@171358 18797224-902f-48f8-a5cc-f745e15eee43

mozilla/tools/trace-malloc/lib/nsTraceMalloc.c

@@ -1201,6 +1201,10 @@ static callsite *calltree(uint32 *bp)
             method = nsDemangle(symbol);
         }
 #endif
+        if (info.dli_fbase == (void*)0x8048000) {
+            /* we're in the binary */
+            info.dli_fbase = 0;
+        }
         if (!method) {
             method = symbol
                      ? strdup(symbol)