add missing #pragma in header

Author: Grok Compression

src/lib/core/codestream/Profile.h

@@ -15,6 +15,8 @@
  *
  */
 
+#pragma once
+
 namespace grk
 {
 class GrkImage;

src/lib/core/util/GrkMatrix.h

@@ -15,6 +15,8 @@
  *
  */
 
+ #pragma once
+
 #include <cstdint>
 
 namespace grk