Update configure

Author: jeroen

configure

@@ -75,7 +75,7 @@ if [ $? -ne 0 ]; then
   echo "------------------------- ANTICONF ERROR ---------------------------"
   echo "Configuration failed because $PKG_CONFIG_NAME was not found. Try installing:"
   echo " * deb: $PKG_DEB_NAME (Debian, Ubuntu, etc)"
-  echo "   -> for Ubuntu Xenial use: ppa:jeroen/opencv"
+  echo "   -> for Ubuntu Xenial use: ppa:cran/opencv"
   echo " * rpm: $PKG_RPM_NAME (Fedora, CentOS, RHEL)"
   echo " * brew: $PKG_BREW_NAME (Mac OSX)"
   echo "If $PKG_CONFIG_NAME is already installed, check that 'pkg-config' is in your"