Fix typo, get_Frame_id -> get_frame_id

gdb/doc/ChangeLog:

	* gdb.texinfo (Writing JIT Debug Info Readers): Fix typo.

gdb/doc/ChangeLog

diff --git a/gdb/doc/ChangeLog b/gdb/doc/ChangeLog
index 6db33e1..7fe47f2 100644
--- a/gdb/doc/ChangeLog
+++ b/gdb/doc/ChangeLog
@@ -1,3 +1,7 @@
+2019-12-11  Simon Marchi  <simon.marchi@efficios.com>
+
+	* gdb.texinfo (Writing JIT Debug Info Readers): Fix typo.
+
 2019-12-11  Philippe Waroquiers  <philippe.waroquiers@skynet.be>
 
 	* gdb.texinfo (Command Options): Use -p and -pretty in the example,

gdb/doc/gdb.texinfo

diff --git a/gdb/doc/gdb.texinfo b/gdb/doc/gdb.texinfo
index a4e2c4f..4d25f75 100644
--- a/gdb/doc/gdb.texinfo
+++ b/gdb/doc/gdb.texinfo
@@ -36653,7 +36653,7 @@
 functions.  These functions are executed to read the debug info
 generated by the JIT compiler (@code{read}), to unwind stack frames
 (@code{unwind}) and to create canonical frame IDs
-(@code{get_Frame_id}).  It also has a callback that is called when the
+(@code{get_frame_id}).  It also has a callback that is called when the
 reader is being unloaded (@code{destroy}).  The struct looks like this
 
 @smallexample