[analyzer] Unbreak the static analyzer bot. Regression from r148558.

When we build a single source file, we call clang directly (not though scan-build).

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148612 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/analyzer/SATestBuild.py b/utils/analyzer/SATestBuild.py
index 5d7d427..a45263b 100755
--- a/utils/analyzer/SATestBuild.py
+++ b/utils/analyzer/SATestBuild.py
@@ -171,7 +171,7 @@
         raise Exception()       
 
     CmdPrefix = "clang -cc1 -analyze -analyzer-output=plist -w "
-    CmdPrefix += "-enable-checker " + Checkers +" -fcxx-exceptions -fblocks "   
+    CmdPrefix += "-analyzer-checker=" + Checkers +" -fcxx-exceptions -fblocks "   
     
     PlistPath = os.path.join(Dir, SBOutputDir, "date")
     FailPath = os.path.join(PlistPath, "failures");