fix building the Debian armhf (HardFloat) port

Fixes http://buildd.debian-ports.org/status/fetch.php?pkg=asterisk&arch=armhf&ver=1%3A1.8.4.4~dfsg-2&stamp=1309935385
(Missing pthreads)


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.8@327411 65c4cc65-6c06-0410-ace0-fbb531ad65f3

main/Makefile

@@ -34,6 +34,7 @@ AST_LIBS += $(OPENSSL_LIB)
 AST_LIBS += $(BKTR_LIB)
 AST_LIBS += $(LIBXML2_LIB) 
 
+ifneq ($(findstring $(OSARCH), linux-gnu uclinux linux-uclibc linux-gnueabi linux-gnueabihf ),)
 ifneq ($(findstring $(OSARCH), linux-gnu uclinux linux-uclibc linux-gnueabi ),)
   ifneq ($(findstring LOADABLE_MODULES,$(MENUSELECT_CFLAGS)),)
   AST_LIBS+=-ldl