small fix for an obscure win32 keypress problem

build/win32/platform_specific_code/juce_win32_Windowing.cpp

@@ -2133,8 +2133,9 @@ private:
                             break;
 
                         case SC_KEYMENU:
-                            if (sendInputAttemptWhenModalMessage())
-                                return 0;
+                            // (NB mustn't call sendInputAttemptWhenModalMessage() here because of very 
+                            // obscure situations that can arise if a modal loop is started from an alt-key
+                            // keypress).
 
                             if (hasTitleBar() && h == GetCapture())
                                 ReleaseCapture();

juce_amalgamated.cpp

@@ -243238,8 +243238,9 @@ private:
                             break;
 
                         case SC_KEYMENU:
-                            if (sendInputAttemptWhenModalMessage())
-                                return 0;
+                            // (NB mustn't call sendInputAttemptWhenModalMessage() here because of very
+                            // obscure situations that can arise if a modal loop is started from an alt-key
+                            // keypress).
 
                             if (hasTitleBar() && h == GetCapture())
                                 ReleaseCapture();