Fixing as-needed issues

http://bugs.gentoo.org/show_bug.cgi?id=271509

--- m4/acx_pthread.m4
+++ m4/acx_pthread.m4
@@ -99,7 +99,7 @@
 # which indicates that we try without any flags at all, and "pthread-config"
 # which is a program returning the flags for the Pth emulation library.
 
-acx_pthread_flags="pthreads none -Kthread -kthread lthread -pthread -pthreads -mthreads pthread --thread-safe -mt pthread-config"
+acx_pthread_flags="pthreads none pthread -Kthread -kthread lthread -pthread -pthreads -mthreads --thread-safe -mt pthread-config"
 
 # The ordering *is* (sometimes) important.  Some notes on the
 # individual items follow:
--- gtest/m4/acx_pthread.m4
+++ gtest/m4/acx_pthread.m4
@@ -99,7 +99,7 @@
 # which indicates that we try without any flags at all, and "pthread-config"
 # which is a program returning the flags for the Pth emulation library.
 
-acx_pthread_flags="pthreads none -Kthread -kthread lthread -pthread -pthreads -mthreads pthread --thread-safe -mt pthread-config"
+acx_pthread_flags="pthreads none pthread -Kthread -kthread lthread -pthread -pthreads -mthreads --thread-safe -mt pthread-config"
 
 # The ordering *is* (sometimes) important.  Some notes on the
 # individual items follow: