[ARM] Shut up gcc warning in assabet.c

assabet.c:291: warning: 'scr' may be used uninitialized in this function
Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>

arch/arm/mach-sa1100/assabet.c

@@ -293,7 +293,8 @@ static void __init get_assabet_scr(void)
 	GPDR |= 0x3fc;			/* Configure GPIO 9:2 as outputs */
 	GPSR = 0x3fc;			/* Write 0xFF to GPIO 9:2 */
 	GPDR &= ~(0x3fc);		/* Configure GPIO 9:2 as inputs */
-	for(i = 100; i--; scr = GPLR);	/* Read GPIO 9:2 */
+	for(i = 100; i--; )		/* Read GPIO 9:2 */
+		scr = GPLR;
 	GPDR |= 0x3fc;			/*  restore correct pin direction */
 	scr &= 0x3fc;			/* save as system configuration byte. */
 	SCR_value = scr;