launchpad: build pjsip in release mode

See "Release mode" from
https://trac.pjsip.org/repos/wiki/FAQ#Performance

Refs #44894

tools/build-system/launchpad/sflphone-common-video/debian/rules

@@ -38,7 +38,7 @@ configure-stamp:
 	# Add here commands to configure the package.
 	./autogen.sh
 	./configure --prefix=/usr --enable-video
-	cd libs/pjproject-2.2.1; CFLAGS=-fPIC ./configure $(PJ_CONFIG_OPTIONS)
+	cd libs/pjproject-2.2.1; CFLAGS=-fPIC -O2 -DNDEBUG ./configure $(PJ_CONFIG_OPTIONS)
 	touch configure-stamp
 
 #Architecture

tools/build-system/launchpad/sflphone-common/debian/rules

@@ -38,7 +38,7 @@ configure-stamp:
 	# Add here commands to configure the package.
 	./autogen.sh
 	./configure --prefix=/usr
-	cd libs/pjproject-2.2.1; CFLAGS=-fPIC ./configure $(PJ_CONFIG_OPTIONS)
+	cd libs/pjproject-2.2.1; CFLAGS=-fPIC -DNDEBUG -O2 ./configure $(PJ_CONFIG_OPTIONS)
 	touch configure-stamp
 
 #Architecture