Fix style bug in last commit,

add a tab after WARNS?=.

While I'm here fix other style bugs.

Submitted by:	bde (libbdf/Makefile)

gnu/usr.bin/binutils/libbfd/Makefile

@@ -10,8 +10,9 @@ SRCS+=	archive.c archive64.c archures.c bfd.c binary.c cache.c \
 	hash.c ihex.c init.c libbfd.c linker.c merge.c opncls.c reloc.c \
 	section.c srec.c stab-syms.c stabs.c syms.c targets.c tekhex.c \
 	targmatch.h dwarf1.c dwarf2.c config.h
-WARNS?=0
-.if (${TARGET_ARCH} == "alpha" || ${TARGET_ARCH} == "ia64" || ${TARGET_ARCH} == "sparc64")
+WARNS?=	0
+.if (${TARGET_ARCH} == "alpha" || ${TARGET_ARCH} == "ia64" || \
+    ${TARGET_ARCH} == "sparc64")
 WARNS?=	2
 .endif
 CFLAGS+= -I${SRCDIR}/bfd

sys/dev/patm/genrtab/Makefile

@@ -3,11 +3,11 @@
 # This program is used to generate the if_patm_rtables.c file
 # for the idt77252 driver. It is not installed.
 #
-PROG=genrtab
+PROG=	genrtab
 INTERNALPROG=
-WARNS?=5
-NOMAN=true
-DPADD=${LIBM}
-LDADD=-lm
+WARNS?=	5
+NOMAN=	true
+DPADD=	${LIBM}
+LDADD=	-lm
 
 .include <bsd.prog.mk>