Fix ogrsql path quoting

Fix the ogrsql path quoting which left the extra quotes around the input layer path

Signed-off-by: Henry Walshaw <henry.walshaw@gmail.com>

Author: om-henners

python/plugins/processing/algs/gdal/ogrsql.py

@@ -65,7 +65,7 @@ def getConsoleCommands(self):
         arguments.append(outFile)
 
         layer = self.getParameterValue(self.INPUT)
-        conn = self.ogrConnectionString(layer)
+        conn = self.ogrConnectionString(layer)[1:-1]
         arguments.append(conn)
 
         return ['ogr2ogr', GdalUtils.escapeAndJoin(arguments)]