Changed GSM_API to GRGSM_API so gr_modtool created blocks don't have to be modified
diff --git a/include/grgsm/api.h b/include/grgsm/api.h
index 5ef6053..d36befb 100644
--- a/include/grgsm/api.h
+++ b/include/grgsm/api.h
@@ -20,15 +20,15 @@
* Boston, MA 02110-1301, USA.
*/
-#ifndef INCLUDED_GSM_API_H
-#define INCLUDED_GSM_API_H
+#ifndef INCLUDED_GRGSM_API_H
+#define INCLUDED_GRGSM_API_H
#include <gnuradio/attributes.h>
#ifdef gnuradio_gsm_EXPORTS
-# define GSM_API __GR_ATTR_EXPORT
+# define GRGSM_API __GR_ATTR_EXPORT
#else
-# define GSM_API __GR_ATTR_IMPORT
+# define GRGSM_API __GR_ATTR_IMPORT
#endif
-#endif /* INCLUDED_GSM_API_H */
+#endif /* INCLUDED_GRGSM_API_H */