Git: ignore: Fix absolute path expressions

Signed-off-by: 林博仁 <[email protected]>

.gitignore

@@ -1,26 +1,26 @@
 # Git Tracking Ignore Rules
 ## Debian package build generated files
-debian/woeusb*
-debian/files
-src/stamp-h1
-debian/.debhelper/generated/
+/debian/woeusb*
+/debian/files
+/src/stamp-h1
+/debian/.debhelper/generated/
 
 ## Files generated by Autoconf
 *Makefile
 /config.*
 /libtool
 /src/config.hpp
 /build-stamp
-autom4te.cache/
+/autom4te.cache/
 
 ## Files generated by WxWidgets build
-src/.deps/
+/src/.deps/
 
 ## Compiled object code
 *.o
 
 ## Linked executable
-src/woeusbgui
+/src/woeusbgui
 
 ## Gettext compiled message catalogs
 *.mo