Oops, tabs --> spaces in test.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@107634 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Analysis/retain-release.m b/test/Analysis/retain-release.m
index c1d6b06..c9c7d27 100644
--- a/test/Analysis/retain-release.m
+++ b/test/Analysis/retain-release.m
@@ -470,16 +470,16 @@
 
 // Test that an object is non-null after being CFRetained/CFReleased.
 void f17(int x, CFTypeRef p) {
-	if (x) {
-		CFRelease(p);
-		if (!p)
-			CFRelease(0); // no-warning
-	}
-	else {
-		CFRetain(p);
-		if (!p)
-			CFRetain(0); // no-warning
-	}
+  if (x) {
+    CFRelease(p);
+    if (!p)
+      CFRelease(0); // no-warning
+  }
+  else {
+    CFRetain(p);
+    if (!p)
+      CFRetain(0); // no-warning
+  }
 }
 
 // Test basic tracking of ivars associated with 'self'.  For the retain/release