removed extra semicolons (patch #1700459; fixes compilation with gcc's -pedantic flag)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@45450 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/matrix.h

@@ -94,7 +94,7 @@ public:
     // Is the matrix the identity matrix?
     // Only returns a flag, which is set whenever an operation
     // is done.
-    inline bool IsIdentity(void) const { return m_isIdentity; };
+    inline bool IsIdentity(void) const { return m_isIdentity; }
 
     // This does an actual check.
     inline bool IsIdentity1(void) const ;