curl: Missing dependency.

[luttermann]

curl is clearly missing as a dependency in the debian/control file, since the "Add to Rastrack" portion of the script depends on it!

diff --git a/debian/control b/debian/control
index 3d63e64..d51f01d 100644
--- a/debian/control
+++ b/debian/control
@@ -10,5 +10,5 @@ Homepage: https://github.com/asb/raspi-config

 Package: raspi-config
 Architecture: all
-Depends: ${misc:Depends}, whiptail, parted, lua5.1, triggerhappy
+Depends: ${misc:Depends}, whiptail, parted, lua5.1, triggerhappy, curl
 Description: Simple configuration for Raspberry Pi