src/lib: Remove braces for single statements

Fix the following warning detected by checkpatch.pl:

WARNING: braces {} are not necessary for single statement blocks

TEST=Build and run on Galileo Gen2

Change-Id: Ie4b41f6fb75142ddd75103a55e0347ed85e7e873
Signed-off-by: Lee Leahy <Leroy.P.Leahy@intel.com>
Reviewed-on: https://review.coreboot.org/18697
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Tested-by: build bot (Jenkins)
diff --git a/src/lib/jpeg.c b/src/lib/jpeg.c
index 9dc5e13..e6626b8 100644
--- a/src/lib/jpeg.c
+++ b/src/lib/jpeg.c
@@ -931,9 +931,8 @@
 	outc = out + 64 * 4;
 	for (i = 2; i > 0; i--) {
 		for (j = 4; j > 0; j--) {
-			for (k = 0; k < 8; k++) {
+			for (k = 0; k < 8; k++)
 				PIC221111(k);
-			}
 			outc += 8;
 			outy += 16;
 			pic0 += 2 * width;
@@ -956,9 +955,8 @@
 	outc = out + 64 * 4;
 	for (i = 2; i > 0; i--) {
 		for (j = 4; j > 0; j--) {
-			for (k = 0; k < 8; k++) {
+			for (k = 0; k < 8; k++)
 			    PIC221111_16(k);
-			}
 			outc += 8;
 			outy += 16;
 			pic0 += 2 * width;
@@ -981,9 +979,8 @@
 	outc = out + 64 * 4;
 	for (i = 2; i > 0; i--) {
 		for (j = 4; j > 0; j--) {
-			for (k = 0; k < 8; k++) {
+			for (k = 0; k < 8; k++)
 				PIC221111_32(k);
-			}
 			outc += 8;
 			outy += 16;
 			pic0 += 2 * width;