Update staticthreads.exp to handle debugging info in libpthread.a.

 Index: gdb-6.3/gdb/testsuite/gdb.threads/staticthreads.exp

 ===================================================================

 --- gdb-6.3.orig/gdb/testsuite/gdb.threads/staticthreads.exp	2004-11-10 10:35:15.000000000 -0500

 +++ gdb-6.3/gdb/testsuite/gdb.threads/staticthreads.exp	2004-11-10 11:22:48.671121466 -0500

 @@ -53,6 +53,10 @@ gdb_test_multiple "continue" "$test" {

      -re " sem_post .*$gdb_prompt " {

  	pass "$test"

      }

 +    -re " (.*_)sem_post .*$gdb_prompt " {

 +	# Glibc uses aliases for internal symbols; match __new_sem_post.

 +	pass "$test"

 +    }

      -re "Program received signal .*$gdb_prompt " {

  	kfail gdb/1328 "$test"

      }

 @@ -64,8 +68,16 @@ gdb_test_multiple "continue" "$test" {

  rerun_to_main

  gdb_test "handle SIG32 nostop noprint pass"

 -set test "Handle SIG32 helps"

 -gdb_test "continue" " sem_post .*" "handle SIG32 helps"

 +set test "handle SIG32 helps"

 +gdb_test_multiple "continue" "$test" {

 +    -re " sem_post .*$gdb_prompt $" {

 +	pass "$test"

 +    }

 +    -re " (.*_)sem_post .*$gdb_prompt $" {

 +	# Glibc uses aliases for internal symbols; match __new_sem_post.

 +	pass "$test"

 +    }

 +}

  # See if info threads produces anything approaching a thread list.