Merge branch 'sg/strbuf-addbuf-cocci'

Cocci rule update.

* sg/strbuf-addbuf-cocci:
  strbuf.cocci: suggest strbuf_addbuf() to add one strbuf to an other

contrib/coccinelle/strbuf.cocci

@@ -12,6 +12,36 @@ constant fmt !~ "%";
 )
   );
 
+@@
+expression E;
+struct strbuf SB;
+format F =~ "s";
+@@
+- strbuf_addf(E, "%@F@", SB.buf);
++ strbuf_addbuf(E, &SB);
+
+@@
+expression E;
+struct strbuf *SBP;
+format F =~ "s";
+@@
+- strbuf_addf(E, "%@F@", SBP->buf);
++ strbuf_addbuf(E, SBP);
+
+@@
+expression E;
+struct strbuf SB;
+@@
+- strbuf_addstr(E, SB.buf);
++ strbuf_addbuf(E, &SB);
+
+@@
+expression E;
+struct strbuf *SBP;
+@@
+- strbuf_addstr(E, SBP->buf);
++ strbuf_addbuf(E, SBP);
+
 @@
 expression E1, E2;
 format F =~ "s";