Updated deps.sh to match sasquatch new install process

deps.sh

@@ -25,7 +25,7 @@ fi
 function install_sasquatch
 {
     git clone https://github.com/devttys0/sasquatch
-    (cd sasquatch && make && $SUDO make install)
+    (cd sasquatch && $SUDO ./build.sh)
     $SUDO rm -rf sasquatch
 }
 

src/binwalk/magic/compressed

@@ -115,6 +115,7 @@
 >3      byte            &0x02           \b, has header CRC
 >3      byte&0x04       0x04
 >>10    leshort         x               \b, has %d bytes of extra data
+>>10    leshort         <0              {invalid}(invalid extra data size)               
 >3      byte&0xC        =0x08           \b, has original file name
 >>10    string          x               \b: "%s"{name:%s}
 >3      byte            &0x10           \b, has comment