Fix mangling on GCC 4.7, msg927.

Changes

@@ -9,6 +9,8 @@ indicates the contributor was also the author of the fix; Thanks!
 
 ****  Fix large shift error on large shift constants.  [David Welch]
 
+****  Fix $display mangling on GCC 4.7, msg927. [R Diez]
+
 
 * Verilator 3.841 2012/09/03
 

include/verilated.cpp

@@ -353,9 +353,9 @@ void _vl_vsformat(string& output, const char* formatp, va_list ap) {
 		// Deal with all read-and-print somethings
 		const int lbits = va_arg(ap, int);
 		QData ld = 0;
+		WData qlwp[2];
 		WDataInP lwp;
 		if (lbits <= VL_QUADSIZE) {
-		    WData qlwp[2];
 		    ld = _VL_VA_ARG_Q(ap, lbits);
 		    VL_SET_WQ(qlwp,ld);
 		    lwp = qlwp;