x86 setup: add missing prototype; formatting fix

Add prototype for cmdline_find_option_bool() missing from:

    x86 setup: early cmdline parser handle boolean options

Also, fix up a minor formatting error in that patch.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
diff --git a/arch/x86/boot/cmdline.c b/arch/x86/boot/cmdline.c
index cc65a33..680408a 100644
--- a/arch/x86/boot/cmdline.c
+++ b/arch/x86/boot/cmdline.c
@@ -107,7 +107,7 @@
 	u32 cmdline_ptr = boot_params.hdr.cmd_line_ptr;
 	addr_t cptr;
 	char c;
-	int pos =0 , wstart = 0;
+	int pos = 0, wstart = 0;
 	const char *opptr = NULL;
 	enum {
 		st_wordstart,	/* Start of word/after whitespace */