Fix endless loop in libvisio with text fields in VSD6

Change-Id: I6aca4a6199adef986ef3de8593470eca1870a1f5

libvisio/libvisio-0.0.18.patch

@@ -0,0 +1,10 @@
+--- misc/libvisio-0.0.18/src/lib/VSDXContentCollector.cpp	2012-06-22 08:48:16.000000000 +0200
++++ misc/build/libvisio-0.0.18/src/lib/VSDXContentCollector.cpp	2012-07-24 09:47:01.195105586 +0200
+@@ -2648,6 +2648,7 @@
+         text.append(m_fields[m_fieldIndex++].cstr());
+       else
+         m_fieldIndex++;
++	  ++iter;
+     }
+     else if (*iter < 0x20)
+     {

libvisio/makefile.mk

@@ -57,6 +57,9 @@ INCPRE+=$(SOLARVER)$/$(UPD)$/$(INPATH)$/inc$/libwpg
 TARFILE_NAME=libvisio-0.0.18
 TARFILE_MD5=a9a1db27688bad49418667b434d29c1f
 
+PATCH_FILES=\
+	$(TARFILE_NAME).patch
+
 BUILD_ACTION=dmake $(MFLAGS) $(CALLMACROS)
 BUILD_DIR=src$/lib