On Windows we need winmm

Source/CTest/Curl/CMakeLists.txt

@@ -88,6 +88,11 @@ IF(HAVE_LIBWS2_32)
   SET(CURL_LIBS ${CURL_LIBS} ws2_32)
 ENDIF(HAVE_LIBWS2_32)
 
+CHECK_LIBRARY_EXISTS("winmm;${CURL_LIBS}" printf "" HAVE_LIBWINMM)
+IF(HAVE_LIBWINMM)
+  SET(CURL_LIBS ${CURL_LIBS} winmm)
+ENDIF(HAVE_LIBWINMM)
+
 CHECK_LIBRARY_EXISTS("z;${CURL_LIBS}" inflateEnd "" HAVE_LIBZ)
 IF(HAVE_LIBZ)
   SET(CURL_LIBS ${CURL_LIBS} z)