Adjust for OpenBSD-specific Tcl package path layout.

Index: src/loop.c
--- src/loop.c.orig
+++ src/loop.c
@@ -54,7 +54,7 @@ elTclshLoop(int argc, char **argv, ElTclAppInitProc ap
 #endif /* TCL_VERSION */
 {
    Tcl_Interp *interp;
-   Tcl_Obj *resultPtr, *obj;
+   Tcl_Obj *resultPtr;
 #if TCL_MAJOR_VERSION >= 8 && TCL_MINOR_VERSION >= 4
    const
 #endif
@@ -103,12 +103,14 @@ elTclshLoop(int argc, char **argv, ElTclAppInitProc ap
    }
 
    /* configure standard path for packages */
+/*
    obj = Tcl_GetVar2Ex(interp, "auto_path", NULL, TCL_GLOBAL_ONLY);
    if (!obj) obj = Tcl_NewListObj(0, NULL);
 
    Tcl_ListObjAppendElement(interp, obj, Tcl_NewStringObj(ELTCLSH_DATA, -1));
    Tcl_SetVar2Ex(interp, "auto_path", NULL, obj, TCL_GLOBAL_ONLY);
 
+*/
 
    /* require eltclsh extension. In case this fails (typically during install,
     * before pkgIndex.tcl is built), print the error message but don't give up