[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-03.ll b/llvm/test/CodeGen/SystemZ/atomic-load-03.ll
index 2f63bd6..e40da6d 100644
--- a/llvm/test/CodeGen/SystemZ/atomic-load-03.ll
+++ b/llvm/test/CodeGen/SystemZ/atomic-load-03.ll
@@ -6,6 +6,6 @@
 ; CHECK-LABEL: f1:
 ; CHECK: l %r2, 0(%r2)
 ; CHECK: br %r14
-  %val = load atomic i32 , i32 *%src seq_cst, align 4
+  %val = load atomic i32, i32 *%src seq_cst, align 4
   ret i32 %val
 }