Increased the default size of the time edit control on wxGTK since it was...

Increased the default size of the time edit control on wxGTK since it was still too small on some OS's after r3094

Originally committed to SVN as r3096.

aegisub/src/timeedit_ctrl.cpp

@@ -82,8 +82,8 @@ wxTextCtrl(parent,id,value,pos,size,TimeEditWindowStyle | style,validator,name)
 #ifdef __WXGTK__ 
 	int w, h;
 	GetTextExtent(GetValue(),&w,&h);
-	w += 20;
-	h += 5;
+	w += 30;
+	h += 8;
 	SetSizeHints(w,h,w,h);
 #endif
 	ready = true;