Use correct syntax highlighting for use/require/import

Author: mattdeboard

elixir-mode.el

@@ -356,6 +356,9 @@
    ;; records and modules at point of definition:
    '("^\\s *def\\(module\\|record\\|protocol\\|impl\\)\\s +\\([^( \t\n,]+\\)" 2 font-lock-type-face)
 
+   ;; use/require/import:
+   '("^\\s *\\(use\\|require\\|import\\)\\s \\([^\n]+\\)" 2 font-lock-type-face)
+
    ;; methods:
    `(,(concat "^\\s *\\<" (regexp-opt elixir-mode-define-names t) "\\>\\s +\\([^( \t\n]+\\)") 2 font-lock-function-name-face)