Install the SQL command man pages into a section appropriate for each

system.  Some systems did not understand the 'l' section, and in general
it wasn't entirely appropriate.

On SCO OpenServer, the man pages won't be installed at all until someone
figures out their man system.

src/makefiles/Makefile.unixware

@@ -19,3 +19,5 @@ endif
 
 %.so: %.o
 	$(LD) -G -Bdynamic -o $@ $<
+
+sqlmansect = 5sql