Refactor: init_color function

Refactor function so windows & linux are forced to have same signature
instead of 2 different functions

src/main.rs

@@ -31,13 +31,9 @@ mod utils;
 static DEFAULT_NUMBER_OF_LINES: usize = 30;
 static DEFAULT_TERMINAL_WIDTH: usize = 80;
 
-#[cfg(not(windows))]
 fn init_color(no_color: bool) -> bool {
-    no_color
-}
-
     #[cfg(windows)]
-fn init_color(no_color: bool) -> bool {
+    {
         // If no color is already set do not print a warning message
         if no_color {
             true
@@ -55,6 +51,11 @@ fn init_color(no_color: bool) -> bool {
             }
         }
     }
+    #[cfg(not(windows))]
+    {
+        no_color
+    }
+}
 
 fn get_height_of_terminal() -> usize {
     // Simplify once https://github.com/eminence/terminal-size/pull/41 is