Update test library to have a malloc and free wrapper

Author: shravanrn

code/tests/rlbox_glue/lib/libtest.c

@@ -243,6 +243,10 @@ int isNonNullChar(unsigned char p)
   }
 }
 
-void callFree(void* p) {
+void* malloc_wrapper(size_t s) {
+  return malloc(s);
+}
+
+void free_wrapper(void* p){
   free(p);
 }

code/tests/rlbox_glue/lib/libtest.h

@@ -85,7 +85,8 @@ extern "C"
     unsigned int a3, unsigned int a4, unsigned int a5, unsigned int a6,
     unsigned int a7, unsigned int a8, unsigned int a9, unsigned int a10, unsigned int a11);
   int isNonNullChar(unsigned char p);
-  void callFree(void* p);
+  void* malloc_wrapper(size_t s);
+  void free_wrapper(void* p);
 #ifdef __cplusplus
 }
 #endif