removed extern from inline function declarations

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@6444 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/msw/private.h

@@ -257,12 +257,12 @@ extern HBITMAP wxInvertMask(HBITMAP hbmpMask, int w = 0, int h = 0);
 #endif // GET_X_LPARAM
 
 // get the current state of SHIFT/CTRL keys
-extern inline bool wxIsShiftDown()
+inline bool wxIsShiftDown()
 {
     return (::GetKeyState(VK_SHIFT) & 0x100) != 0;
 }
 
-extern inline bool wxIsCtrlDown()
+inline bool wxIsCtrlDown()
 {
     return (::GetKeyState(VK_CONTROL) & 0x100) != 0;
 }