Small fix to input compression detection

Author: dwarring

src/xml6_error.h

@@ -5,6 +5,6 @@
 #include <libxml/xmlerror.h>
 
 DLLEXPORT xmlChar*
-xml6_error_context_and_column( xmlErrorPtr, unsigned int*);
+xml6_error_context_and_column(xmlErrorPtr, unsigned int*);
 
 #endif /* __XML6_ERROR_H */

src/xml6_parser_ctx.c

@@ -81,7 +81,7 @@ xml6_parser_ctx_close(xmlParserCtxtPtr self) {
         xmlParserInputPtr input = self->inputTab[i];
         xmlParserInputBufferPtr buf = input->buf;
         if (buf != NULL) {
-            if (buf->compressed != 0) {
+            if (buf->compressed > 0) {
                 compressed = 1;
             }
             xmlFreeParserInputBuffer(buf);