removed unnecessary swap focus patch

dwm.c

@@ -211,7 +211,6 @@ static void seturgent(Client *c, int urg);
 static void showhide(Client *c);
 static void sigchld(int unused);
 static void spawn(const Arg *arg);
-static void swapfocus();
 static void tag(const Arg *arg);
 static void tagmon(const Arg *arg);
 static void tile(Monitor *);
@@ -249,7 +248,6 @@ static void centeredmaster(Monitor *m);
 static void centeredfloatingmaster(Monitor *m);
 
 /* variables */
-static Client *prevclient = NULL;
 static const char broken[] = "broken";
 static char stext[256];
 static int screen;
@@ -1716,17 +1714,6 @@ spawn(const Arg *arg)
 	}
 }
 
-void
-swapfocus()
-{
-	Client *c;
-	for(c = selmon->clients; c && c != prevclient; c = c->next) ;
-	if(c == prevclient) {
-		focus(prevclient);
-		restack(prevclient->mon);
-	}
-}
-
 void
 tag(const Arg *arg)
 {
@@ -1870,7 +1857,6 @@ unfocus(Client *c, int setfocus)
 {
 	if (!c)
 		return;
-	prevclient = c;
 	grabbuttons(c, 0);
 	XSetWindowBorder(dpy, c->win, scheme[SchemeNorm][ColBorder].pixel);
 	if (setfocus) {
@@ -2259,13 +2245,12 @@ void
 zoom(const Arg *arg)
 {
 	Client *c = selmon->sel;
-	prevclient = nexttiled(selmon->clients);
 
 	if (!selmon->lt[selmon->sellt]->arrange
 	|| (selmon->sel && selmon->sel->isfloating))
 		return;
 	if (c == nexttiled(selmon->clients))
-		if (!c || !(c = prevclient = nexttiled(c->next)))
+		if (!c || !(c = nexttiled(c->next)))
 			return;
 	pop(c);
 }