gdb.base/default.exp: Change expected value for $_gdb_minor to 2.

This change is needed, now that the version in gdb/version.in has
been bumped from 9.1 to 9.2.

gdb/testsuite/ChangeLog:

	* gdb.base/default.exp: Change expected value for $_gdb_minor to 2.
diff --git a/gdb/testsuite/ChangeLog b/gdb/testsuite/ChangeLog
index 90e2695..c31d2b3 100644
--- a/gdb/testsuite/ChangeLog
+++ b/gdb/testsuite/ChangeLog
@@ -1,3 +1,7 @@
+2020-05-23  Joel Brobecker  <brobecker@adacore.com>
+
+	* gdb.base/default.exp: Change expected value for $_gdb_minor to 2.
+
 2020-03-03  Sergio Durigan Junior  <sergiodj@redhat.com>
 
 	PR gdb/25650
diff --git a/gdb/testsuite/gdb.base/default.exp b/gdb/testsuite/gdb.base/default.exp
index 10c2066..a81d14d 100644
--- a/gdb/testsuite/gdb.base/default.exp
+++ b/gdb/testsuite/gdb.base/default.exp
@@ -609,7 +609,7 @@
 	{$_gdb_setting_str = <internal function _gdb_setting_str>} \
 	{$_gdb_setting = <internal function _gdb_setting>} \
 	{$_gdb_major = 9} \
-	{$_gdb_minor = 1} \
+	{$_gdb_minor = 2} \
 	{$_shell_exitsignal = void} \
 	{$_shell_exitcode = 0} \
     }