Fixed typo

include/osg/GraphicsContext

@@ -452,9 +452,9 @@ class OSG_EXPORT GraphicsContext : public Object
         const SwapCallback* getSwapCallback() const { return _swapCallback.get(); }
 
         /** Convenience method for handling whether to call swapbuffers callback or the standard context swapBuffersImplementation.
-          * swapBuffersCallbackOrImplemenation() is called by swapBuffers() and osg::SwapBuffersOperation, end users should normally
-          * call swapBuffers() rather than swapBuffersCallbackOrImplemenation(). */
-        void swapBuffersCallbackOrImplemenation()
+          * swapBuffersCallbackOrImplementation() is called by swapBuffers() and osg::SwapBuffersOperation, end users should normally
+          * call swapBuffers() rather than swapBuffersCallbackOrImplementation(). */
+        void swapBuffersCallbackOrImplementation()
         {
             if (_state.valid()) _state->frameCompleted();
 

src/osg/GraphicsContext.cpp

@@ -568,7 +568,7 @@ void GraphicsContext::swapBuffers()
 {
     if (isCurrent())
     {
-        swapBuffersCallbackOrImplemenation();
+        swapBuffersCallbackOrImplementation();
         clear();
     }
     else if (_graphicsThread.valid() &&
@@ -579,7 +579,7 @@ void GraphicsContext::swapBuffers()
     else
     {
         makeCurrent();
-        swapBuffersCallbackOrImplemenation();
+        swapBuffersCallbackOrImplementation();
         clear();
     }
 }

src/osg/GraphicsThread.cpp

@@ -55,7 +55,7 @@ void GraphicsOperation::operator () (Object* object)
 
 void SwapBuffersOperation::operator () (GraphicsContext* context)
 {
-    context->swapBuffersCallbackOrImplemenation();
+    context->swapBuffersCallbackOrImplementation();
     context->clear();
 }