patch 8.2.0345: compiler warning when building without the float feature

Problem:    Compiler warning when building without the float feature.
Solution:   Add #ifdef. (John Marriott)
diff --git a/src/version.c b/src/version.c
index 40c3c75..6205a56 100644
--- a/src/version.c
+++ b/src/version.c
@@ -739,6 +739,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    345,
+/**/
     344,
 /**/
     343,