THRIFT-4081: appveyor retooling - added mingw64 build as a second job to the CI build process

This closes #1205
diff --git a/lib/java/CMakeLists.txt b/lib/java/CMakeLists.txt
index 57b97f1..f7a1a63 100644
--- a/lib/java/CMakeLists.txt
+++ b/lib/java/CMakeLists.txt
@@ -74,7 +74,7 @@
 
     if(BUILD_TESTING)
         add_test(NAME JavaTest
-                 COMMAND ${Ant_EXECUTABLE} ${ANT_FLAGS} -Dbuild.dir="${CMAKE_CURRENT_BINARY_DIR}" -Dthrift.compiler="${THRIFT_COMPILER}" -f build.xml test
+                 COMMAND ${Ant_EXECUTABLE} ${ANT_FLAGS} -Dbuild.dir=${CMAKE_CURRENT_BINARY_DIR} -Dthrift.compiler=${THRIFT_COMPILER} -f build.xml test
                  WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR})
     endif()
 endif(ANDROID)