Don't build release with debug info by default on Windows

Change-Id: Idf4373bc10367dfc15445c4c530915cbda04ae9c
Reviewed-by: Andras Becsi <andras.becsi@digia.com>

src/core/config/windows.pri

@@ -5,6 +5,9 @@ GYP_CONFIG += \
     remoting=0 \
     use_ash=0 \
 
+# Chromium builds with debug info in release by default but Qt doesn't
+CONFIG(release, debug|release):!force_debug_info: GYP_CONFIG += fastbuild=1
+
 # Libvpx build needs additional search path on Windows.
 GYP_ARGS += "-D qtwe_chromium_obj_dir=\"$$OUT_PWD/$$getConfigDir()/obj/$${getChromiumSrcDir()}\""