Set location for all non apple unixes, not just debian.

CMakeLists.txt

@@ -53,18 +53,16 @@ option(OPENMW_OSX_DEPLOYMENT OFF)
 find_program(DPKG_PROGRAM dpkg DOC "dpkg program of Debian-based systems")
 
 # Location of morrowind data files
-if(DPKG_PROGRAM)
+if (APPLE)
+    set(MORROWIND_DATA_FILES "./data" CACHE PATH "location of Morrowind data files")
+    set(MORROWIND_RESOURCE_FILES "./resources" CACHE PATH "location of OpenMW resources files")
+elseif(UNIX)
     set(MORROWIND_DATA_FILES "/usr/share/games/openmw/data/" CACHE PATH "location of Morrowind data files")
     set(MORROWIND_RESOURCE_FILES "/usr/share/games/openmw/resources/" CACHE PATH "location of OpenMW resources files")
 else()
-    if (APPLE)
-        set(MORROWIND_DATA_FILES "./data" CACHE PATH "location of Morrowind data files")
-        set(MORROWIND_RESOURCE_FILES "./resources" CACHE PATH "location of OpenMW resources files")
-    else()
-        set(MORROWIND_DATA_FILES "data" CACHE PATH "location of Morrowind data files")
-        set(MORROWIND_RESOURCE_FILES "resources" CACHE PATH "location of OpenMW resources files")
-    endif(APPLE)
-endif(DPKG_PROGRAM)
+    set(MORROWIND_DATA_FILES "data" CACHE PATH "location of Morrowind data files")
+    set(MORROWIND_RESOURCE_FILES "resources" CACHE PATH "location of OpenMW resources files")
+endif(APPLE)
 
 if (WIN32)
     option(USE_DEBUG_CONSOLE "whether a debug console should be enabled for debug builds, if false debug output is redirected to Visual Studio output" ON)