change the line endings of Global/OSX from dos to unix format

Global/OSX.gitignore

@@ -1,12 +1,12 @@
-.DS_Store
-.AppleDouble
-.LSOverride
-Icon
-
-
-# Thumbnails
-._*
-
-# Files that might appear on external disk
-.Spotlight-V100
-.Trashes
+.DS_Store
+.AppleDouble
+.LSOverride
+Icon
+
+
+# Thumbnails
+._*
+
+# Files that might appear on external disk
+.Spotlight-V100
+.Trashes