[4.0] 839cdf3 Correct spelling

[Federico G. Schwindt]

commit 839cdf399a581d5cd05c46eb68f367dcecb3a104
Author: Federico G. Schwindt <fgsch at lodoss.net>
Date:   Wed Mar 5 21:32:04 2014 +0000

    Correct spelling

diff --git a/lib/libvarnishapi/vsl_dispatch.c b/lib/libvarnishapi/vsl_dispatch.c
index bf4bcd0..0502c36 100644
--- a/lib/libvarnishapi/vsl_dispatch.c
+++ b/lib/libvarnishapi/vsl_dispatch.c
@@ -847,7 +847,7 @@ vtx_scan(struct VSLQ *vslq, struct vtx *vtx)
 	    vslc_vtx_next(&vtx->c.cursor) == 1) {
 		ptr = vtx->c.cursor.rec.ptr;
 		if (VSL_ID(ptr) != vtx->key.vxid) {
-			(void)vtx_diag_tag(vtx, ptr, "vxid missmatch");
+			(void)vtx_diag_tag(vtx, ptr, "vxid mismatch");
 			continue;
 		}