Add a warning for an address expression that is usually the result of a typo

and almost never used in this form.


git-svn-id: svn://svn.cc65.org/cc65/trunk@2158 b7a2c559-68d2-44c3-8de9-860c34a00d81

src/ca65/error.c

@@ -75,6 +75,7 @@ void WarningMsg (const FilePos* Pos, unsigned WarnNum, va_list ap)
        	{   2,  "Symbol `%s' is defined but never used" 	},
         {   2,  "Symbol `%s' is imported but never used"	},
 	{   1,  "Cannot track processor status byte"		},
+       	{   1,  "Suspicious address expression"                 },
        	{   0,	"User warning: %s"				},
     };