CMake rm trailing slashes from destination variables

cmake/BornAgain/Directories.cmake

@@ -94,16 +94,16 @@ if(BA_APPLE_BUNDLE)
     list(APPEND dstIds "bundle")
 endif()
 
-set(destination_bin ${destination_root}bin/)
-set(destination_lib ${destination_root}lib/)
+set(destination_bin ${destination_root}bin)
+set(destination_lib ${destination_root}lib)
 if(WIN32)
     # on Window, the libraries must be in the same folder as the executable
     set(destination_lib ${destination_bin})
 endif()
-set(destination_include ${destination_root}include/${destination_suffix}/)
-set(destination_share ${destination_root}share/${destination_suffix}/)
-set(destination_examples ${destination_share}Examples/)
-set(destination_images ${destination_share}Images/)
+set(destination_include ${destination_root}include/${destination_suffix})
+set(destination_share ${destination_root}share/${destination_suffix})
+set(destination_examples ${destination_share}/Examples)
+set(destination_images ${destination_share}/Images)
 set(destination_man ${destination_root}share/man/man1)
 
 list(APPEND dstIds bin lib include share examples images man)