Fixed helper function CreateVectorOfStructs calling wrong variant.

Change-Id: I4fd2a309276590227921ede467503f56b65ac689
Tested: on Windows and Linux

include/flatbuffers/flatbuffers.h

@@ -518,7 +518,7 @@ class FlatBufferBuilder {
 
   template<typename T> Offset<Vector<const T *>> CreateVectorOfStructs(
                                                      const std::vector<T> &v) {
-    return CreateVector(&v[0], v.size());
+    return CreateVectorOfStructs(&v[0], v.size());
   }
 
   // Finish serializing a buffer by writing the root offset.