pjproject-bundled: Cleanups for reported issues

PortAudio should no longer be required
PJSIP_MAX_PKT_LEN is now 6000
Older autoconf issue fixed. (CentOS 6)

Change-Id: I463fa9586cbe7c6b3b603289f535bd8e361611dd

third-party/pjproject/Makefile.rules

@@ -2,6 +2,6 @@ PJPROJECT_URL = http://www.pjsip.org/release/$(PJPROJECT_VERSION)
 
 # Even though we're not installing pjproject, we're setting prefix to /opt/pjproject to be safe
 PJPROJECT_CONFIG_OPTS = --prefix=/opt/pjproject --with-external-speex --with-external-gsm --with-external-srtp \
-	--with-external-pa --disable-video --disable-v4l2 --disable-sound \
-	--disable-opencore-amr --disable-ilbc-codec --without-libyuv --disable-g7221-codec \
+	--disable-video --disable-v4l2 --disable-sound --disable-opencore-amr --disable-ilbc-codec \
+	--without-libyuv --disable-g7221-codec \
 	--enable-epoll

third-party/pjproject/patches/0002-aconfigure.ac-Fix-autoconf-issue-with-opencore-amrnb.patch

@@ -0,0 +1,48 @@
+From 1281b60a1807d1285b101b6eb61c6478f29785fe Mon Sep 17 00:00:00 2001
+From: George Joseph <george.joseph@fairview5.com>
+Date: Wed, 23 Mar 2016 07:48:52 -0600
+Subject: [PATCH] aconfigure.ac:  Fix autoconf issue with opencore-amrnb on
+ older systems
+
+autoconf 2.63 on CentOS6 produces a bad ./aconfigure file related to
+opencore-amrnb.
+
+./aconfigure: line 15158: syntax error near unexpected token `fi'
+
+To get around this, a 'true;' needed to be added to the Ok case of
+AC_ARG_WITH(opencore-amrnb)
+---
+ aconfigure    | 3 +++
+ aconfigure.ac | 2 +-
+ 2 files changed, 4 insertions(+), 1 deletion(-)
+
+diff --git a/aconfigure b/aconfigure
+index 33a08f5..4c122c2 100755
+--- a/aconfigure
++++ b/aconfigure
+@@ -7908,6 +7908,9 @@ fi
+ # Check whether --with-opencore-amrnb was given.
+ if test "${with_opencore_amrnb+set}" = set; then :
+   withval=$with_opencore_amrnb; as_fn_error $? "This option is obsolete and replaced by --with-opencore-amr=DIR" "$LINENO" 5
++else
++  true;
++
+ fi
+ 
+ 
+diff --git a/aconfigure.ac b/aconfigure.ac
+index 3e88124..5d3e833 100644
+--- a/aconfigure.ac
++++ b/aconfigure.ac
+@@ -1631,7 +1631,7 @@ AC_ARG_WITH(opencore-amrnb,
+     AC_HELP_STRING([--with-opencore-amrnb=DIR],
+ 		   [This option is obsolete and replaced by --with-opencore-amr=DIR]),
+     [AC_MSG_ERROR(This option is obsolete and replaced by --with-opencore-amr=DIR)],
+-    []
++    [true;]
+     )
+ 
+ dnl # opencore-amr alt prefix
+-- 
+2.5.0
+

third-party/pjproject/patches/config_site.h

@@ -29,6 +29,7 @@
 #define PJ_HAS_STRICMP_ALNUM		0
 #define PJ_HASH_USE_OWN_TOLOWER		1
 #define PJSIP_UNESCAPE_IN_PLACE		1
+#define PJSIP_MAX_PKT_LEN			6000
 
 #undef PJ_TODO
 #define PJ_TODO(x)