intel/tools: fix invalid type in argument to printf

$2 is exp2, exp2 is defined to be llint and llint is defined to be
unsigned long long int.

Fixes error reported by Coverity:
CID 1451141: Invalid type in argument to printf format specifier (PRINTF_ARGS)

Fixes: 70308a5a8a8 ("intel/tools: New i965 instruction assembler tool")

Signed-off-by: Marcin Ślusarz <marcin.slusarz@intel.com>
Reviewed-by: Adam Jackson <ajax@redhat.com>
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7351>
diff --git a/src/intel/tools/i965_gram.y b/src/intel/tools/i965_gram.y
index e5fb228..656b8d8 100644
--- a/src/intel/tools/i965_gram.y
+++ b/src/intel/tools/i965_gram.y
@@ -2261,7 +2261,7 @@
 	| LPAREN exp2 RPAREN
 	{
 		if ($2 > 32 || !isPowerofTwo($2))
-			error(&@2, "Invalid execution size %d\n", $2);
+			error(&@2, "Invalid execution size %llu\n", $2);
 
 		$$ = cvt($2) - 1;
 	}