Use extern C if C++

JaciBrunning · JaciBrunning · commit 72ff7ba9c9ed · 2017-01-29T17:31:54.000+08:00
diff --git a/Pathfinder-Core/include/pathfinder.h b/Pathfinder-Core/include/pathfinder.h
@@ -1,6 +1,10 @@
 #ifndef PATHFINDER_H_DEF
 #define PATHFINDER_H_DEF
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 #include "pathfinder/mathutil.h"
 #include "pathfinder/structs.h"
 
@@ -16,4 +20,8 @@
 
 #include "pathfinder/io.h"
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif
