fix for -fno-common

Index: gas/config/tc-avr32.c
--- gas/config/tc-avr32.c.orig
+++ gas/config/tc-avr32.c
@@ -47,7 +47,6 @@
 
 /* Flags given on the command line */
 static int avr32_pic	= FALSE;
-int linkrelax	= FALSE;
 int avr32_iarcompat	= FALSE;
 
 /* This array holds the chars that always start a comment. */