CPackRPM: Fix recognition of absolute relocation paths

Fix typo in logic added by commit 3ec02547 (CPackRPM: Allow multiple
path relocation prefixes for one package, 2015-01-21).

Modules/CPackRPM.cmake

@@ -442,7 +442,7 @@ function(cpack_rpm_prepare_relocation_paths)
 
   # set other path prefixes
   foreach(RELOCATION_PATH ${RPM_RELOCATION_PATHS})
-    if(IS_ABSOLUTE "${RELOCATE_PATH}")
+    if(IS_ABSOLUTE "${RELOCATION_PATH}")
       set(PREPARED_RELOCATION_PATH "${RELOCATION_PATH}")
     else()
       set(PREPARED_RELOCATION_PATH "${PATH_PREFIX}/${RELOCATION_PATH}")