Fixing the line break in the heading

Author: Joe Brumley

spec/index.adoc

@@ -22,9 +22,8 @@ URL for this OGC® document: http://www.geopackage.org/spec +
 Internal reference number of this OGC® document: OGC 12-128r10 +
 Version: 1.0.1 +
 Category: OGC® Encoding Standard +
-Editor:   Paul Daisey
-_Previous Version:_
-_http://www.opengis.net/doc/IS/geopackage/1.0_ +
+Editor:   Paul Daisey +
+_Previous Version: http://www.opengis.net/doc/IS/geopackage/1.0_ +
 
 [title]
 = OGC® GeoPackage Encoding Standard +++<ins>with corrigendum</ins>+++ =