reenable demangling on OSX >= 10.8, it was disabled on 10.8 for whatever reason

Author: romainfrancois

ChangeLog

@@ -1,6 +1,8 @@
 2013-09-13 Romain Francois <romain@r-enthusiasts.com>
 
-	* src/api.cpp : added "long long" to the capabilities function.  
+	* src/api.cpp : added "long long" to the capabilities function. 
+	* include/Rcpp/platform/compiler.h : demangling is definitely available
+	on all mac versions using gcc. No point is testing for OSX version. 
 
 2013-09-12 Romain Francois <romain@r-enthusiasts.com>
 

inst/include/Rcpp/platform/compiler.h

@@ -174,14 +174,7 @@
 #endif
 
 #ifdef __GNUC__
-  #ifdef __APPLE__ 
-    #include <Availability.h>
-    #ifndef __MAC_10_8
-        #define RCPP_HAS_DEMANGLING
-    #endif
-  #else
-      #define RCPP_HAS_DEMANGLING
-  #endif
+  #define RCPP_HAS_DEMANGLING
 #endif
 
 #ifdef __GNUC__