[SystemZ] Test case formatting fixes

Fix systematically wrong whitespace from a prior automated change.

NFC.

llvm-svn: 337542
diff --git a/llvm/test/CodeGen/SystemZ/atomic-load-01.ll b/llvm/test/CodeGen/SystemZ/atomic-load-01.ll
index 4e228ac..becf0a35 100644
--- a/llvm/test/CodeGen/SystemZ/atomic-load-01.ll
+++ b/llvm/test/CodeGen/SystemZ/atomic-load-01.ll
@@ -6,6 +6,6 @@
 ; CHECK-LABEL: f1:
 ; CHECK: lb %r2, 0(%r2)
 ; CHECK: br %r14
-  %val = load atomic i8 , i8 *%src seq_cst, align 1
+  %val = load atomic i8, i8 *%src seq_cst, align 1
   ret i8 %val
 }