patch 8.2.2928: the evalfunc.c file is too big

Problem:    The evalfunc.c file is too big.
Solution:   Move float related functionality to a separate file. (Yegappan
            Lakshmanan, closes #8287)
diff --git a/src/version.c b/src/version.c
index 63b3a3f..ea752d9 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2928,
+/**/
     2927,
 /**/
     2926,