[PUSHED gdb-18-branch] gdb/NEWS: Change "since GDB 17" into "in GDB 18"

Now that the major release version number is confirmed, we can adjust
the title of the corresponding section in the gdb/NEWS file.
---
 gdb/NEWS | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gdb/NEWS b/gdb/NEWS
index 8f40ca5cb11..211c000a08e 100644
--- a/gdb/NEWS
+++ b/gdb/NEWS
@@ -1,7 +1,7 @@
 		What has changed in GDB?
 	     (Organized release by release)
 
-*** Changes since GDB 17
+*** Changes in GDB 18
 
 * Support for the Common Trace Format (CTF) has been removed.  GDB now
   saves trace information exclusively in its own "tfile" format.

base-commit: fc7902740993c791469c71de4efae7810f2d57fa
-- 
2.25.4