RFR cc-langs.el: change syntax for @ in Java

[Filipp Gunbin <fgunbin@fastmail.fm>]

Hi Alan, are you ok if I make this small change?  Prefix is better
syntax for @ in Java, because it just denotes that the following is
an annotation interface name (but is not part of it).

Thanks.
Filipp

diff --git a/lisp/progmodes/cc-langs.el b/lisp/progmodes/cc-langs.el
index fa4e73087e..e2c1c6099f 100644
--- a/lisp/progmodes/cc-langs.el
+++ b/lisp/progmodes/cc-langs.el
@@ -378,12 +378,14 @@ c-make-mode-syntax-table
        (let ((table (make-syntax-table)))
 	 (c-populate-syntax-table table)
 	 ;; Mode specific syntaxes.
-	 ,(cond ((or (c-major-mode-is 'objc-mode) (c-major-mode-is 'java-mode))
+	 ,(cond ((c-major-mode-is 'objc-mode)
 		 ;; Let '@' be part of symbols in ObjC to cope with
 		 ;; its compiler directives as single keyword tokens.
 		 ;; This is then necessary since it's assumed that
 		 ;; every keyword is a single symbol.
 		 '(modify-syntax-entry ?@ "_" table))
+		((c-major-mode-is 'java-mode)
+		 '(modify-syntax-entry ?@ "'" table))
 		((c-major-mode-is 'pike-mode)
 		 '(modify-syntax-entry ?@ "." table)))
 	 table)))