update version 1.3 soname 4

Signed-off-by: Andy Green <andy.green@linaro.org>

CMakeLists.txt

@@ -5,11 +5,11 @@ project(libwebsockets)
 set(PACKAGE "libwebsockets")
 set(CPACK_PACKAGE_NAME "${PACKAGE}")
 set(CPACK_PACKAGE_VERSION_MAJOR "1")
-set(CPACK_PACKAGE_VERSION_MINOR "2")
+set(CPACK_PACKAGE_VERSION_MINOR "3")
 set(CPACK_PACKAGE_VERSION "${CPACK_PACKAGE_VERSION_MAJOR}.${CPACK_PACKAGE_VERSION_MINOR}")
 set(CPACK_PACKAGE_VENDOR "andy@warmcat.com")
 set(CPACK_PACKAGE_DESCRIPTION_SUMMARY "${PACKAGE} ${PACKAGE_VERSION}")
-set(SOVERSION "3.0.0")
+set(SOVERSION "4.0.0")
 set(CPACK_SOURCE_GENERATOR "TGZ")
 set(CPACK_SOURCE_PACKAGE_FILE_NAME "${CPACK_PACKAGE_NAME}-${CPACK_PACKAGE_VERSION}")
 set(VERSION "${CPACK_PACKAGE_VERSION}")
@@ -341,7 +341,7 @@ set_target_properties(websockets_shared
 		OUTPUT_NAME websockets)
 
 # Set the so version of the lib.
-# Equivalent to LDFLAGS=-version-info 3:0:0
+# Equivalent to LDFLAGS=-version-info x:x:x
 if(CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUCXX)
 	foreach(lib websockets websockets_shared)
 		set_target_properties(${lib}