fixed configure for CYGWIN to build proper lib type. Implemented Image writing into memory buffer in PNG format - see ASImage2PNGBuff example in asvector.c
fixed configure for CYGWIN to build proper lib type. Implemented Image writing into memory buffer in PNG format - see ASImage2PNGBuff example in asvector.c

born2late/afterstep-devel,born2late/afterstep-devel,born2late/afterstep-devel,born2late/afterstep-devel,born2late/afterstep-devel