Fix function name in cpp_basic_template_function test

Use "_wrap_" prefix to make the test compile and pass.

Examples/test-suite/c/cpp_basic_template_function_runme.c

@@ -2,7 +2,7 @@
 #include "cpp_basic_template_function/cpp_basic_template_function_wrap.h"
 
 int main() {
-    assert(GetMaxInt(3, 5) == 5);
+    assert(_wrap_GetMaxInt(3, 5) == 5);
     
     return 0;
-}
+}