Bustage fix for bug 413787.

xpcom/ds/nsMathUtils.h

@@ -61,6 +61,7 @@ inline NS_HIDDEN_(PRInt32) NS_lround(double x)
 /* NS_roundup30 rounds towards infinity for positive and       */
 /* negative numbers.                                           */
 
+#if defined(XP_WIN32) && defined(_M_IX86) && !defined(__GNUC__)
 inline NS_HIDDEN_(PRInt32) NS_lroundup30(float x)
 {
     /* Code derived from Laurent de Soras' paper at             */
@@ -91,6 +92,7 @@ inline NS_HIDDEN_(PRInt32) NS_lroundup30(float x)
     }
     return i >> 1;                /* divide by 2 */
 }
+#endif /* XP_WIN32 && _M_IX86 && !__GNUC__ */
 
 inline NS_HIDDEN_(PRInt32) NS_lroundf(float x)
 {