graph-depends: fix program path in comment

Signed-off-by: Luca Ceresoli <luca@lucaceresoli.net>
Acked-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

support/scripts/graph-depends

@@ -1,7 +1,7 @@
 #!/usr/bin/python
 
 # Usage (the graphviz package must be installed in your distribution)
-#  ./scripts/graph-depends [package-name] > test.dot
+#  ./support/scripts/graph-depends [package-name] > test.dot
 #  dot -Tpdf test.dot -o test.pdf
 #
 # With no arguments, graph-depends will draw a complete graph of