opj_config.h.cmake.in: add inclusion guard

diff --git a/src/lib/openjp2/opj_config.h.cmake.in b/src/lib/openjp2/opj_config.h.cmake.in
index 50015fb9a25b452c634715de9c54ac2148a77fb0..64884b65248dcc4328afb1425a2cb66fa0be68f8 100644 (file)
--- a/src/lib/openjp2/opj_config.h.cmake.in
+++ b/src/lib/openjp2/opj_config.h.cmake.in
@@ -1,3 +1,6 @@
+#ifndef OPJ_CONFIG_H_INCLUDED
+#define OPJ_CONFIG_H_INCLUDED
+
 /* create opj_config.h for CMake */
 
 /*--------------------------------------------------------------------------*/
@@ -7,3 +10,5 @@
 #define OPJ_VERSION_MAJOR @OPENJPEG_VERSION_MAJOR@
 #define OPJ_VERSION_MINOR @OPENJPEG_VERSION_MINOR@
 #define OPJ_VERSION_BUILD @OPENJPEG_VERSION_BUILD@
+
+#endif