CMakeLists.txt: sync DYLIB_CURRENT_VERSION to Xcode project
diff --git a/CMakeLists.txt b/CMakeLists.txt
index eda8759..e757fa1 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -47,7 +47,7 @@ set(SDL_INTERFACE_AGE 0)
set(SDL_BINARY_AGE 11)
set(SDL_VERSION "${SDL_MAJOR_VERSION}.${SDL_MINOR_VERSION}.${SDL_MICRO_VERSION}")
# the following should match the versions in Xcode project file:
-set(DYLIB_CURRENT_VERSION 10.0.0)
+set(DYLIB_CURRENT_VERSION 12.0.0)
set(DYLIB_COMPATIBILITY_VERSION 1.0.0)
# Set defaults preventing destination file conflicts