.gitignore: fix for in-tree builds, add 'build' dir

re #248

.gitignore

@@ -32,14 +32,18 @@ depcomp
 description-pak
 libvncserver*.deb
 *.o
-*.lo
+*.a
+*.so
+*.so.*
 CVS
 client_examples/SDLvncviewer
 client_examples/backchannel
 client_examples/gtkvncviewer
 client_examples/ppmtest
+client_examples/vnc2mpg
 config.guess
 config.sub
+build/
 examples/zippy
 examples/backchannel
 examples/blooptest
@@ -77,7 +81,7 @@ vncterm/example
 x11vnc.spec
 x11vnc/x11vnc
 CMakeCache.txt
-cmake_install.cmake
+*.cmake
 /CMakeFiles
 /rfbproto.pdf
 /rfbproto.rst