Removed (pretty inconsistently used) tab chars from source code base.

testcode/compiler/pptest2.c

@@ -1,17 +1,17 @@
-#define x	3
-#define f(a)	f(x * (a))
-#undef	x
-#define x	2
-#define g	f
-#define z	z[0]
-#define h	g(~
-#define m(a)	a(w)
-#define w	0,1
-#define t(a)	a
-#define p()	int
-#define q(x)	x
-#define r(x,y)	x ## y
-#define str(x)	# x
+#define x       3
+#define f(a)    f(x * (a))
+#undef  x
+#define x       2
+#define g       f
+#define z       z[0]
+#define h       g(~
+#define m(a)    a(w)
+#define w       0,1
+#define t(a)    a
+#define p()     int
+#define q(x)    x
+#define r(x,y)  x ## y
+#define str(x)  # x
 
 f(y+1) + f(f(z)) % t(t(g) (0) + t)(1);
 g(x+(3,4)-w) | h 5) & m(f)^m(m);