Treat XSLT_STATE_STOPPED same as errors

xsltApplyStylesheetInternal should treat a stopped transform the same
as an error that didn't stop the transform and return NULL.

Changes the output of some tests that cause errors.

libxslt/transform.c

@@ -6151,7 +6151,7 @@ xsltApplyStylesheetInternal(xsltStylesheetPtr style, xmlDocPtr doc,
     /*
      * Be pedantic.
      */
-    if ((ctxt != NULL) && (ctxt->state == XSLT_STATE_ERROR)) {
+    if ((ctxt != NULL) && (ctxt->state != XSLT_STATE_OK)) {
 	xmlFreeDoc(res);
 	res = NULL;
     }

tests/documents/message.result

 A simple message
 A fatal message
+no result for ./message.xml

tests/exslt/saxon/Makefile.am

@@ -29,15 +29,11 @@ test tests: $(top_builddir)/xsltproc/xsltproc
 			mv $$name.bad $(srcdir)/$$name.err ; \
 		fi ; \
 	  else \
-		if  [ ! -s $$name.res ] ; then \
-			echo "Fatal error, no $$name.res\n" ; \
-	  	else \
-			diff $(srcdir)/$$name.out $$name.res ; \
-			if [ -s $(srcdir)/$$name.err ] ; then \
-	  			diff $(srcdir)/$$name.err $$name.bad; \
-			else \
-				diff /dev/null $$name.bad; \
-			fi ; \
+		diff $(srcdir)/$$name.out $$name.res ; \
+		if [ -s $(srcdir)/$$name.err ] ; then \
+			diff $(srcdir)/$$name.err $$name.bad; \
+		else \
+			diff /dev/null $$name.bad; \
 		fi ; \
 	  fi; \
 	  grep "MORY ALLO" .memdump  | grep -v "MEMORY ALLOCATED : 0" || true`;\

tests/exslt/saxon/eval.2.err

@@ -5,3 +5,4 @@ XPath error : Invalid expression
 xmlXPathCompiledEval: evaluation failed
 runtime error: file ./eval.2.xsl line 11 element value-of
 XPath evaluation returned no result.
+no result for ./eval.2.xml

tests/exslt/saxon/eval.2.out

-<?xml version="1.0"?>
-<results/>

tests/exslt/saxon/eval.3.err

@@ -4,3 +4,4 @@ XPath error : Invalid expression
 xmlXPathCompiledEval: evaluation failed
 runtime error: file ./eval.3.xsl line 11 element value-of
 XPath evaluation returned no result.
+no result for ./eval.3.xml

tests/exslt/saxon/eval.3.out

-<?xml version="1.0"?>
-<results/>

tests/general/bug-165.err

@@ -2,3 +2,4 @@ runtime error: file ./bug-165.xsl line 6 element value-of
 Variable 'pStyle' has not been declared.
 runtime error: file ./bug-165.xsl line 6 element value-of
 XPath evaluation returned no result.
+no result for ./../docs/bug-165.xml

tests/general/bug-165.out

-<?xml version="1.0"?>
-
-
-
-
-
-
-

tests/general/bug-180.err

 runtime error: file ./bug-180.xsl line 4 element copy-of
 Variable 'xxx' has not been declared.
+no result for ./../docs/bug-180.xml

tests/general/bug-184.err

@@ -3,3 +3,4 @@ Variable 'nonexistent' has not been declared.
 xmlXPathCompiledEval: 1 objects left on the stack.
 runtime error: file ./bug-184.xsl line 5 element value-of
 XPath evaluation returned no result.
+no result for ./../docs/bug-184.xml

tests/general/bug-184.out

-<?xml version="1.0"?>
-<result/>