C89 tweaks as per #348.
C89 tweaks as per #348.

ralight/libwebsockets,sartura/libwebsockets,dumganhar/libwebsockets,SoapyMan/libwebsockets,dumganhar/libwebsockets,ralight/libwebsockets,ralight/libwebsockets,dumganhar/libwebsockets,sartura/libwebsockets,SoapyMan/libwebsockets,dumganhar/libwebsockets,sartura/libwebsockets,sartura/libwebsockets,SoapyMan/libwebsockets,ralight/libwebsockets,sartura/libwebsockets,ralight/libwebsockets,sartura/libwebsockets,dumganhar/libwebsockets,sartura/libwebsockets,SoapyMan/libwebsockets,SoapyMan/libwebsockets