[gdb/testsuite] Fix typo in gdb.base/gdb-caching-proc.exp

Fix intial -> initial typo.

gdb/testsuite/ChangeLog:

2020-05-19  Tom de Vries  <tdevries@suse.de>

	* gdb.base/gdb-caching-proc.exp: Fix typo.

---
 gdb/testsuite/gdb.base/gdb-caching-proc.exp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gdb/testsuite/gdb.base/gdb-caching-proc.exp b/gdb/testsuite/gdb.base/gdb-caching-proc.exp
index f1dd834cf9..831f8d0acc 100644
--- a/gdb/testsuite/gdb.base/gdb-caching-proc.exp
+++ b/gdb/testsuite/gdb.base/gdb-caching-proc.exp
@@ -28,7 +28,7 @@ proc test_proc { name } {
 
     set resultlist [list]
 
-    with_test_prefix intial {
+    with_test_prefix initial {
 	set first [gdb_do_cache_wrap $real_name]
     }
     lappend resultlist $first