RTSPServer.cpp:663:16: runtime error: index -3 out of bounds for type 'unsigned char [20000]'

[HypericumKaia]

when we test master branch we found a runtime error,

RTSPServer.cpp:663:16: runtime error: index -3 out of bounds for type 'unsigned char [20000]' 

live555/liveMedia/RTSPServer.cpp

Line 663 in a0eb8f9

fLastCRLF = &fRequestBuffer[-3]; // hack: Ensures that we don't think we have end-of-msg if the data starts with <CR><LF>