improve readability of stdlib: fix indentation and remove trailing spaces

Signed-off-by: André Goddard Rosa <andre.goddard@gmail.com>

Change-Id: I7dd90a0816b5376ffc1de4499d56935e0bd574a1
diff --git a/libc/stdlib/seed48.c b/libc/stdlib/seed48.c
index afd5f54..583262f 100644
--- a/libc/stdlib/seed48.c
+++ b/libc/stdlib/seed48.c
@@ -22,7 +22,7 @@
 seed48(unsigned short xseed[3])
 {
 	static unsigned short sseed[3];
-  
+
 	sseed[0] = __rand48_seed[0];
 	sseed[1] = __rand48_seed[1];
 	sseed[2] = __rand48_seed[2];