[sound-juicer] Warn about tabs in indentation

[Phillip Wood <pwood src gnome org>]

commit 906e6c45d5e1274030d767ef13c69b8ef79d0648
Author: Phillip Wood <phillip wood dunelm org uk>
Date:   Tue Sep 6 18:03:53 2016 +0100

    Warn about tabs in indentation
    
    Use .gitattributes to warn if there are tabs in the indentation in
    source files.

 .gitattributes |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..095d70b
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1 @@
+*.[ch] whitespace=tab-in-indent,trailing-whitespace