README: add a note about the build dependencies

diff --git a/README b/README
index 213bd5a..2bffa04 100644 (file)
--- a/README
+++ b/README
@@ -25,3 +25,7 @@ $ ./xicursorset 2 left_ptr
 
 NOTE: the "redglass" and "whiteglass" cursor themes are sometimes provided in
 a separate package called "xcursor-themes".
+
+Dependencies:
+  - libxcursor-dev
+  - libxi-dev