Add patch that fixes blobs handling in interactive mode.

Looks like this issue is known by upstream since 2009,
but never was fixed in any release.

PR:             162650
Submitted by:   Valentin Davydov <cs at soi.spb.ru>
Approved by:    maintainer, novel (mentor, implicit)

databases/sqlite3/Makefile

@@ -7,6 +7,7 @@
 
 PORTNAME=	sqlite3
 PORTVERSION=	3.7.9
+PORTREVISION=	1
 CATEGORIES=	databases
 MASTER_SITES=	http://www.sqlite.org/ http://www2.sqlite.org/
 DISTNAME=	sqlite-src-3070900

databases/sqlite3/files/patch-src_shell.c

@@ -0,0 +1,11 @@
+--- src/shell.c.orig    2011-11-01 16:31:18.000000000 +0400
++++ src/shell.c 2011-11-10 22:45:11.000000000 +0400
+@@ -490,7 +490,7 @@
+ */
+ static void output_hex_blob(FILE *out, const void *pBlob, int nBlob){
+   int i;
+-  char *zBlob = (char *)pBlob;
++  unsigned char *zBlob = (unsigned char *)pBlob;
+   fprintf(out,"X'");
+   for(i=0; i<nBlob; i++){ fprintf(out,"%02x",zBlob[i]); }
+   fprintf(out,"'");