patch 8.2.2089: libvterm test fails to build on Mac

Problem:    Libvterm test fails to build on Mac.
Solution:   Adjust configure to remove a space between -L and the path that
            follows.
diff --git a/src/version.c b/src/version.c
index 36aa840..8b8a6c3 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2089,
+/**/
     2088,
 /**/
     2087,