Link libstdc++ and libgcc statically.

Since the current MinGW version behaves differently here explicitly link
libstdc++ and libgcc statically. Avoids dependency to those DLLs.


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@28152 a1c6a512-1295-4272-9138-f99709370657
diff --git a/rbutil/rbutilqt/rbutilqt.pro b/rbutil/rbutilqt/rbutilqt.pro
index 06ce4dc..c431c82 100644
--- a/rbutil/rbutilqt/rbutilqt.pro
+++ b/rbutil/rbutilqt/rbutilqt.pro
@@ -132,6 +132,9 @@
 win32 {
     LIBS += -lsetupapi -lnetapi32
 }
+win32:static {
+    QMAKE_LFLAGS += -static-libgcc -static-libstdc++
+}
 unix:!static:!libusb1:!macx {
     LIBS += -lusb
 }