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-rw-r--r--src/proj_experimental.h5
1 files changed, 3 insertions, 2 deletions
diff --git a/src/proj_experimental.h b/src/proj_experimental.h
index 31600e67..10faccd4 100644
--- a/src/proj_experimental.h
+++ b/src/proj_experimental.h
@@ -26,14 +26,15 @@
* DEALINGS IN THE SOFTWARE.
****************************************************************************/
-#include "proj.h"
-
#ifndef PROJ_EXPERIMENTAL_H
#define PROJ_EXPERIMENTAL_H
+
#ifdef __cplusplus
extern "C" {
#endif
+#include "proj.h"
+
/**
* \file proj_experimental.h
*