s/Intrin.h/intrin.h/, trying to fix the build after r272701

llvm-svn: 272702
diff --git a/clang/test/CodeGen/ms-intrinsics.c b/clang/test/CodeGen/ms-intrinsics.c
index d05adfd..ceaa847 100644
--- a/clang/test/CodeGen/ms-intrinsics.c
+++ b/clang/test/CodeGen/ms-intrinsics.c
@@ -8,11 +8,11 @@
 // RUN:         -triple x86_64--windows -Oz -emit-llvm %s -o - \
 // RUN:         | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-X64
 
-// Intrin.h needs size_t, but -ffreestanding prevents us from getting it from
+// intrin.h needs size_t, but -ffreestanding prevents us from getting it from
 // stddef.h.  Work around it with this typedef.
 typedef __SIZE_TYPE__ size_t;
 
-#include <Intrin.h>
+#include <intrin.h>
 
 void *test_InterlockedExchangePointer(void * volatile *Target, void *Value) {
   return _InterlockedExchangePointer(Target, Value);
diff --git a/clang/test/CodeGen/ms-mm-align.c b/clang/test/CodeGen/ms-mm-align.c
index 49feddd..7130c74 100644
--- a/clang/test/CodeGen/ms-mm-align.c
+++ b/clang/test/CodeGen/ms-mm-align.c
@@ -2,10 +2,10 @@
 // RUN:         -triple i686--windows -emit-llvm %s -o - \
 // RUN:         | FileCheck %s -check-prefix CHECK
 
-// Intrin.h needs size_t, but -ffreestanding prevents us from getting it from
+// intrin.h needs size_t, but -ffreestanding prevents us from getting it from
 // stddef.h.  Work around it with this typedef.
 typedef __SIZE_TYPE__ size_t;
-#include <Intrin.h>
+#include <intrin.h>
 
 void capture_ptr(int* i);
 void test_mm_align16(int p) {
diff --git a/clang/test/Headers/ms-intrin.cpp b/clang/test/Headers/ms-intrin.cpp
index 9356d21..c697428 100644
--- a/clang/test/Headers/ms-intrin.cpp
+++ b/clang/test/Headers/ms-intrin.cpp
@@ -20,11 +20,11 @@
 
 // REQUIRES: x86-registered-target
 
-// Intrin.h needs size_t, but -ffreestanding prevents us from getting it from
+// intrin.h needs size_t, but -ffreestanding prevents us from getting it from
 // stddef.h.  Work around it with this typedef.
 typedef __SIZE_TYPE__ size_t;
 
-#include <Intrin.h>
+#include <intrin.h>
 
 // Use some C++ to make sure we closed the extern "C" brackets.
 template <typename T>