gps plugin: fix compiler warning

gps.c:242:12: warning: function declaration isn’t a prototype
[-Wstrict-prototypes]
 static int cgps_read ()
            ^~~~~~~~~
gps.c: In function ‘cgps_read’:
gps.c:242:12: warning: old-style function definition
[-Wold-style-definition]

diff --git a/src/gps.c b/src/gps.c
index 04de5aa..19f317c 100644 (file)
--- a/src/gps.c
+++ b/src/gps.c
@@ -239,7 +239,7 @@ static void cgps_submit (const char *type, gauge_t value, const char *type_insta
 /**
  * Read the data and submit by piece.
  */
-static int cgps_read ()
+static int cgps_read (void)
 {
   cgps_data_t data_copy;