[PATCH 1/6] lib: Add missing config.h include to next_prime.c

[Michael Pratt]

This is the last remaining C source file as of this commit
without the standard conditional inclusion of config.h
as the very first header.

      * lib/next_prime.c: add missing config.h header.

Signed-off-by: Michael Pratt <mcpratt@pm.me>
---
 lib/next_prime.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lib/next_prime.c b/lib/next_prime.c
index f2c921e3..97c425e1 100644
--- a/lib/next_prime.c
+++ b/lib/next_prime.c
@@ -27,6 +27,10 @@
    the GNU Lesser General Public License along with this program.  If
    not, see <http://www.gnu.org/licenses/>.  */
 
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
 #include <stddef.h>
 
 
-- 
2.30.2