lib/javacompat: Fixed JavaCompat::importJavaString() hanging when trying to import long strings

This was caused by an integer overflow due to using a too small data type in a counter variable.

src/lib/javacompat.cpp

@@ -38,7 +38,7 @@ namespace JavaCompat {
             return ErrorOr<tiny_utf8::string>(true, ErrorCodes::MISMATCHEDSIZE);
         }
 
-        for(uint8_t i=2; i<size+2; i++){
+        for(uint16_t i=2; i<size+2; i++){
             if(i != 0){
                 if(data[i] == 0x80 && data[i-1] == 0xc0){
                     stdString[stdString.length() - 1] = '\0';