Fix cpp_basic_global_var_built_in unit test

Use the correct header name in it and remove it from the list of the failing
tests.

Examples/test-suite/c/Makefile.in

@@ -63,7 +63,6 @@ FAILING_CPP_TESTS := \
     class_ignore \
     class_scope_weird \
     constant_pointers \
-    cpp_basic_global_var_built_in \
     cpp_basic_template_function \
     cpp_namespace \
     cpp_typedef \

Examples/test-suite/c/cpp_basic_global_var_built_in_runme.c

@@ -1,5 +1,5 @@
 #include <assert.h>
-#include "cpp_basic_global_var_atom/cpp_basic_global_var_atom_wrap.h"
+#include "cpp_basic_global_var_built_in/cpp_basic_global_var_built_in_wrap.h"
 
 int main(int argc, const char *argv[])
 {