Indentation fixes.

contrib/java

@@ -128,16 +128,16 @@ _java()
     for ((i=1; i < $COMP_CWORD; i++)); do
         case ${COMP_WORDS[$i]} in
             -cp|-classpath)
-            ((i++)) # skip the classpath string.
-            ;;
+                ((i++)) # skip the classpath string.
+                ;;
             -*)
-            # this is an option, not a class/jarfile name.
-            ;;
+                # this is an option, not a class/jarfile name.
+                ;;
             *)
-            # once we've seen a class, just do filename completion
-            _filedir
-            return 0
-            ;;
+                # once we've seen a class, just do filename completion
+                _filedir
+                return 0
+                ;;
         esac
     done