Convert absolute map exit/entrance paths to relative paths

git-svn-id: svn://svn.code.sf.net/p/crossfire/code/maps/trunk@9822 282e977c-c81d-0410-88c4-b93c2d0d6712

brest/asyvan/palace1

@@ -295,7 +295,7 @@ x 1
 y 15
 end
 arch stair_3_up
-slaying /brest/asyvan/palace2
+slaying palace2
 hp 1
 sp 15
 x 1
@@ -2568,7 +2568,7 @@ x 15
 y 15
 end
 arch stair_3_up
-slaying /brest/asyvan/palace2
+slaying palace2
 hp 15
 sp 15
 x 15

brest/asyvan/palace2

@@ -353,7 +353,7 @@ x 1
 y 15
 end
 arch stair_3_down
-slaying /brest/asyvan/palace1
+slaying palace1
 hp 1
 sp 15
 x 1
@@ -2841,7 +2841,7 @@ x 15
 y 15
 end
 arch stair_3_down
-slaying /brest/asyvan/palace1
+slaying palace1
 hp 15
 sp 15
 x 15

brest/asyvan/palace3

@@ -678,7 +678,7 @@ x 6
 y 6
 end
 arch stair_3_down
-slaying /brest/asyvan/palace2
+slaying palace2
 hp 8
 sp 8
 x 6