gis/python3-pyshp: Wrap README at 72 columns.

Signed-off-by: B. Watson <yalhcru@gmail.com>

gis/python3-pyshp/README

@@ -1,4 +1,5 @@
-The pyshp library reads and writes ESRI Shapefiles in pure Python. You can read
-and write shp, shx, and dbf files with all types of geometry. Everything in the
-public ESRI shapefile specification is implemented. This library is compatible
-with Python versions 2.4 to 3.x. 
+The pyshp library reads and writes ESRI Shapefiles in pure Python. You
+can read and write shp, shx, and dbf files with all types of
+geometry. Everything in the public ESRI shapefile specification is
+implemented. This library is compatible with Python versions 2.4
+to 3.x.