cmake: Added executable exension on test binaries

This is necessary when building the tests for Windows.

Signed-off-by: Anderson Toshiyuki Sasaki <ansasaki@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>

cmake/Modules/AddCMockaTest.cmake

@@ -26,5 +26,5 @@ endif(CMAKE_COMPILER_IS_GNUCC AND NOT MINGW)
 function (ADD_CMOCKA_TEST _testName _testSource)
     add_executable(${_testName} ${_testSource})
     target_link_libraries(${_testName} ${ARGN})
-    add_test(${_testName} ${CMAKE_CURRENT_BINARY_DIR}/${_testName})
+    add_test(${_testName} ${CMAKE_CURRENT_BINARY_DIR}/${_testName}${CMAKE_EXECUTABLE_SUFFIX})
 endfunction (ADD_CMOCKA_TEST)