Correct spelling mistakes.

code/ui/ui_local.h

@@ -258,7 +258,7 @@ typedef struct
 	int width;
 	int height;
 	int	columns;
-	int	seperation;
+	int	separation;
 } menulist_s;
 
 typedef struct

code/ui/ui_main.c

@@ -5286,7 +5286,7 @@ void _UI_SetActiveMenu( uiMenuCommand_t menu ) {
 	char buf[256];
 
 	// this should be the ONLY way the menu system is brought up
-	// enusure minumum menu data is cached
+	// ensure minimum menu data is cached
   if (Menu_Count() > 0) {
 		vec3_t v;
 		v[0] = v[1] = v[2] = 0;

code/ui/ui_shared.c

@@ -20,7 +20,7 @@ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 ===========================================================================
 */
 // 
-// string allocation/managment
+// string allocation/management
 
 #include "ui_shared.h"