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.
