[FYI] Fix "make info" in gdb

[Tom Tromey]

"make info" in gdb was broken by my last patch.  This fixes it.
Tested by rebuilding; committing as obvious.

gdb/doc/ChangeLog
2018-10-20  Tom Tromey  <tom@tromey.com>

	* gdb.texinfo (TUI Commands): Add @end table.
	(TUI Configuration): Remove stray @end table.
---
 gdb/doc/ChangeLog   | 5 +++++
 gdb/doc/gdb.texinfo | 2 +-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/gdb/doc/gdb.texinfo b/gdb/doc/gdb.texinfo
index d971f716fb..eb00eaa81a 100644
--- a/gdb/doc/gdb.texinfo
+++ b/gdb/doc/gdb.texinfo
@@ -26779,6 +26779,7 @@ lines.  Positive counts increase the height, while negative counts
 decrease it.  The @var{name} parameter can be one of @code{src} (the
 source window), @code{cmd} (the command window), @code{asm} (the
 disassembly window), or @code{regs} (the register display window).
+@end table
 
 @node TUI Configuration
 @section TUI Configuration Variables
@@ -26839,7 +26840,6 @@ Set the width of tab stops to be @var{nchars} characters.  This
 setting affects the display of TAB characters in the source and
 assembly windows.
 @end table
-@end table
 
 @node Emacs
 @chapter Using @value{GDBN} under @sc{gnu} Emacs
-- 
2.17.1