[bash/zsh completion] Complete also filenames and directories

See #1109

linux/completion/README

@@ -5,4 +5,4 @@ To install zsh completion file, either manually copy it to proper directory
 (one directory from $fpath) and rename to _qupzilla, or run this
 command:
 
-cp notes "`echo $fpath | cut -d' ' -f1`/_qupzilla"
+cp _qupzilla "`echo $fpath | cut -d' ' -f1`/_qupzilla"

linux/completion/_qupzilla

@@ -1,5 +1,7 @@
 #compdef qupzilla
-
+#
+# Zsh completion for QupZilla
+#
 opts=(
     '(-)'{-h,--help}'[print usage help]'
     '(-)'{-a,--authors}'[print QupZilla authors]'
@@ -15,6 +17,7 @@ opts=(
     '(-)'{-nr,--no-remote}'[open new instance]'
     '(-)'{-ct=,--current-tab=}'[open URL in current tab]'
     '(-)'{-ow=,--open-window=}'[open URL in new window]'
+    '*:files:_files'
     )
 
 _x_arguments -C $opts

linux/completion/qupzilla

@@ -1,3 +1,6 @@
+#
+# Bash completion for QupZilla
+#
 _qupzilla()
 {
     local cur prev opts
@@ -11,7 +14,8 @@ _qupzilla()
 
     if [[ ${cur} == -* ]] ; then
         COMPREPLY=( $(compgen -W "${opts}" -- ${cur}) )
-        return 0
+    else
+        _filedir
     fi
 }
 complete -F _qupzilla qupzilla