User correct case for 'FileCheck'.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@182632 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Modules/fatal-module-loader-error.m b/test/Modules/fatal-module-loader-error.m
index acfc539..dbaea68 100644
--- a/test/Modules/fatal-module-loader-error.m
+++ b/test/Modules/fatal-module-loader-error.m
@@ -22,5 +22,5 @@
 
 // Also check that libclang does not create a PCH with such an error.
 // RUN: c-index-test -write-pch %t.pch -fmodules -fmodules-cache-path=%t %s \
-// RUN:    -Xclang -fdisable-module-hash -F %S/Inputs 2>&1 | Filecheck %s
+// RUN:    -Xclang -fdisable-module-hash -F %S/Inputs 2>&1 | FileCheck %s
 // CHECK: Unable to write PCH file