Corrects return values for the Topic procs of several computers and some other machines as well.

code/modules/assembly/infrared.dm

@@ -120,7 +120,7 @@
 
 
 	Topic(href, href_list)
-		..()
+		if(..()) return 1
 		if(!usr.canmove || usr.stat || usr.restrained() || !in_range(loc, usr))
 			usr << browse(null, "window=infra")
 			onclose(usr, "infra")

code/modules/assembly/proximity.dm

@@ -129,7 +129,7 @@
 
 
 	Topic(href, href_list)
-		..()
+		if(..()) return 1
 		if(!usr.canmove || usr.stat || usr.restrained() || !in_range(loc, usr))
 			usr << browse(null, "window=prox")
 			onclose(usr, "prox")

code/modules/assembly/signaler.dm

@@ -70,7 +70,7 @@
 
 
 	Topic(href, href_list)
-		..()
+		if(..()) return 1
 
 		if(!usr.canmove || usr.stat || usr.restrained() || !in_range(loc, usr))
 			usr << browse(null, "window=radio")

code/modules/assembly/timer.dm

@@ -83,7 +83,7 @@
 
 
 	Topic(href, href_list)
-		..()
+		if(..()) return 1
 		if(!usr.canmove || usr.stat || usr.restrained() || !in_range(loc, usr))
 			usr << browse(null, "window=timer")
 			onclose(usr, "timer")