Description: Fix installation.
 In particular, don't use sudo and create installation directory.
Author: Doug Torrance <dtorrance@piedmont.edu>
Last-Update: 2015-03-17

--- a/Makefile
+++ b/Makefile
@@ -241,11 +241,8 @@
 
 # Installation.
 install:
-	if [ "`uname|grep CYGWIN`" = "" ]; then \
-		sudo install bin/frobby $(BIN_INSTALL_DIR); \
-	else \
-		install bin/frobby $(BIN_INSTALL_DIR); \
-	fi  # Cygwin has no sudo
+	install -d $(DESTDIR)$(BIN_INSTALL_DIR)
+	install bin/frobby $(DESTDIR)$(BIN_INSTALL_DIR)
 
 # ***** Documentation