strace: Don't append space for -e *= completions.

completions/strace

@@ -5,7 +5,7 @@ have strace || return
 _strace()
 {
     local cur prev words cword
-    _init_completion || return
+    _init_completion -n = || return
 
     # check if we're still completing strace
     local offset=0 i
@@ -58,6 +58,7 @@ _strace()
                             ;;
                     esac
                 else
+                    compopt -o nospace
                     COMPREPLY=( $( compgen -S"=" -W 'trace abbrev verbose raw
                         signal read write' -- "$cur" ) )
                 fi