Get ICU 4.6 to be compiled without RTTI....

third_party/icu/source/test/intltest/loctest.cpp

Index: third_party/icu/source/test/intltest/loctest.cpp
===================================================================
--- third_party/icu/source/test/intltest/loctest.cpp	(revision 74230)
+++ third_party/icu/source/test/intltest/loctest.cpp	(working copy)
@@ -1847,7 +1847,7 @@
     if (U_FAILURE(ec)) {
         dataerrln("FAIL: NumberFormat::createInstance failed - %s", u_errorName(ec));
     } else {
-        DecimalFormat* dec = dynamic_cast<DecimalFormat*>(nf);
+        DecimalFormat* dec = CR_DYNAMIC_CAST<DecimalFormat*>(nf);
         if (dec == NULL) {
             errln("FAIL: NumberFormat::createInstance does not return a DecimalFormat");
             return;
@@ -1885,7 +1885,7 @@
     if (df == 0){
         dataerrln("Error calling DateFormat::createDateInstance()");
     } else {
-        SimpleDateFormat* dat = dynamic_cast<SimpleDateFormat*>(df);
+        SimpleDateFormat* dat = CR_DYNAMIC_CAST<SimpleDateFormat*>(df);
         if (dat == NULL) {
             errln("FAIL: DateFormat::createInstance does not return a SimpleDateFormat");
             return;