mdocml: add patches for tbl(7) crashes

Fixes #10892

srcpkgs/mdocml/patches/fix-tbl-NULL-pointer-dereference.patch

@@ -0,0 +1,27 @@
+===================================================================
+RCS file: /vhosts/mdocml.bsd.lv/cvs/mdocml/tbl_term.c,v
+retrieving revision 1.69
+retrieving revision 1.70
+diff -u -p -r1.69 -r1.70
+--- tbl_term.c	2019/03/16 21:35:48	1.69
++++ tbl_term.c	2019/03/18 08:00:34	1.70
+@@ -629,7 +629,8 @@ tbl_hrule(struct termp *tp, const struct tbl_span *spp
+ 
+ 		lw = cpp == NULL || cpn == NULL ||
+ 		    (cpn->pos != TBL_CELL_DOWN &&
+-		     (dpn == NULL || strcmp(dpn->string, "\\^") != 0))
++		     (dpn == NULL || dpn->string == NULL ||
++		      strcmp(dpn->string, "\\^") != 0))
+ 		    ? hw : 0;
+ 		tbl_direct_border(tp, BHORIZ * lw,
+ 		    col->width + col->spacing / 2);
+@@ -675,7 +676,8 @@ tbl_hrule(struct termp *tp, const struct tbl_span *spp
+ 
+ 		rw = cpp == NULL || cpn == NULL ||
+ 		    (cpn->pos != TBL_CELL_DOWN &&
+-		     (dpn == NULL || strcmp(dpn->string, "\\^") != 0))
++		     (dpn == NULL || dpn->string == NULL ||
++		      strcmp(dpn->string, "\\^") != 0))
+ 		    ? hw : 0;
+ 
+ 		/* The line crossing at the end of this column. */

srcpkgs/mdocml/patches/fix-tbl-crash.patch

@@ -0,0 +1,16 @@
+===================================================================
+RCS file: /vhosts/mdocml.bsd.lv/cvs/mdocml/out.c,v
+retrieving revision 1.77
+retrieving revision 1.78
+diff -u -p -r1.77 -r1.78
+--- out.c	2018/12/13 11:55:47	1.77
++++ out.c	2019/03/29 21:27:06	1.78
+@@ -149,7 +149,7 @@ tblcalc(struct rofftbl *tbl, const struct tbl_span *sp
+ 		gp = &first_group;
+ 		for (dp = sp->first; dp != NULL; dp = dp->next) {
+ 			icol = dp->layout->col;
+-			while (icol > maxcol)
++			while (maxcol < icol + dp->hspans)
+ 				tbl->cols[++maxcol].spacing = SIZE_MAX;
+ 			col = tbl->cols + icol;
+ 			col->flags |= dp->layout->flags;

srcpkgs/mdocml/template

@@ -1,7 +1,7 @@
 # Template file for 'mdocml'
 pkgname=mdocml
 version=1.14.5
-revision=1
+revision=2
 wrksrc="mandoc-${version}"
 build_style=configure
 makedepends="zlib-devel"