Suppress linker warning for Web build.

Source/Urho3D/CMakeLists.txt

@@ -343,6 +343,8 @@ if (NOT ANDROID AND NOT WEB)
     else ()
         message (FATAL_ERROR "The .soversion file is corrupted. It should contain a version number with this format major(0xFFFF).minor(0xFF).patch-level(0xFF). e.g.: 0.1.2")
     endif ()
+else ()
+    set_target_properties (${TARGET_NAME} PROPERTIES NO_SONAME TRUE)
 endif ()
 if (IOS)
     if (NOT IPHONEOS_DEPLOYMENT_TARGET STREQUAL "" AND IPHONEOS_DEPLOYMENT_TARGET VERSION_LESS 11.0)