[gdb/testsuite] Fix regexp in gdb.base/foll-vfork.exp

On OBS I ran into:
...
(gdb) PASS: gdb.base/foll-vfork.exp: exit: \
  vfork relations in info inferiors: continue to child exit
info inferiors^M
  Num  Description       Connection           Executable        ^M
  1    <null>                                 foll-vfork-exit ^M
* 2    <null>                                 foll-vfork-exit ^M
(gdb) I'm the proud parent of child #5044!^M
FAIL: gdb.base/foll-vfork.exp: exit: vfork relations in info inferiors: \
  vfork relation no longer appears in info inferiors (timeout)
...

Fix this by removing the '$' anchor in the corresponding '$gdb_prompt $'
regexps.

Tested on x86_64-linux.

1 files changed, 3 insertions, 3 deletions

diff --git a/gdb/testsuite/gdb.base/foll-vfork.exp b/gdb/testsuite/gdb.base/foll-vfork.exp
index 577bd4d..a781a5c 100644
--- a/gdb/testsuite/gdb.base/foll-vfork.exp
+++ b/gdb/testsuite/gdb.base/foll-vfork.exp
@@ -374,13 +374,13 @@ proc vfork_relations_in_info_inferiors { variant } {
 
    set test "vfork relation no longer appears in info inferiors"
    gdb_test_multiple "info inferiors" $test {
-       -re "is vfork child of inferior 1.*$gdb_prompt $" {
+       -re "is vfork child of inferior 1.*$gdb_prompt " {
 	   fail $test
        }
-       -re "is vfork parent of inferior 2.*$gdb_prompt $" {
+       -re "is vfork parent of inferior 2.*$gdb_prompt " {
 	   fail $test
        }
-       -re "$gdb_prompt $" {
+       -re "$gdb_prompt " {
 	   pass $test
        }
    }