client: fix mix of spaces & tabs

client/usb_cmd_h2lua.awk

@@ -1,15 +1,15 @@
 BEGIN {
-	print "--[["
-	print "These are Proxmark command definitions."
-	print "This file is automatically generated from usb_cmd.h - DON'T EDIT MANUALLY."
-	print "--]]"
-	print "local __commands = {"
+    print "--[["
+    print "These are Proxmark command definitions."
+    print "This file is automatically generated from usb_cmd.h - DON'T EDIT MANUALLY."
+    print "--]]"
+    print "local __commands = {"
 }
 
 #$1 ~ /#define/ && $2 ~ /^CMD_([[:alnum:]_])+/ { print $2, "=", $3, "," }
 $1 ~ /#define/ && $2 ~ /^CMD_[A-Za-z0-9_]+/ { sub(/\r/, ""); print $2, "=", $3 "," }
 
 END {
-	print "}"
-	print "return __commands"
+    print "}"
+    print "return __commands"
 }