Fix Android STLPort build.

Change-Id: Iceca7b8b455c8463d9b82b928332a875dee3d19e

include/flatbuffers/util.h

@@ -42,6 +42,7 @@
 
 #include "flatbuffers/flatbuffers.h"
 
+
 namespace flatbuffers {
 
 // Convert an integer or floating point value to a string.
@@ -114,11 +115,6 @@ inline uint64_t StringToUInt(const char *str, char **endptr = nullptr,
   #endif
 }
 
-// Pedantic warning free version of toupper().
-inline char ToUpper(char c) {
-  return static_cast<char>(::toupper(c));
-}
-
 typedef bool (*LoadFileFunction)(const char *filename, bool binary,
                                  std::string *dest);
 typedef bool (*FileExistsFunction)(const char *filename);

src/idl_gen_cpp.cpp

@@ -23,6 +23,11 @@
 
 namespace flatbuffers {
 
+// Pedantic warning free version of toupper().
+inline char ToUpper(char c) {
+  return static_cast<char>(::toupper(c));
+}
+
 static std::string GeneratedFileName(const std::string &path,
                                      const std::string &file_name) {
   return path + file_name + "_generated.h";