Making the gRPC C tests building under Windows.
diff --git a/include/grpc/support/tls.h b/include/grpc/support/tls.h
index 8dffd52..7a7143c 100644
--- a/include/grpc/support/tls.h
+++ b/include/grpc/support/tls.h
@@ -34,7 +34,7 @@
#ifndef GRPC_SUPPORT_TLS_H
#define GRPC_SUPPORT_TLS_H
-#include "port_platform.h"
+#include <grpc/support/port_platform.h>
/* Thread local storage.
@@ -63,15 +63,15 @@
ALL functions here may be implemented as macros. */
#ifdef GPR_GCC_TLS
-#include "tls_gcc.h"
+#include <grpc/support/tls_gcc.h>
#endif
#ifdef GPR_MSVC_TLS
-#include "tls_msvc.h"
+#include <grpc/support/tls_msvc.h>
#endif
#ifdef GPR_PTHREAD_TLS
-#include "tls_pthread.h"
+#include <grpc/support/tls_pthread.h>
#endif
#endif