Rename zfs nvpair files to not colidate with our nvlist.

PR:		201356
Approved by:	pjd (mentor)

cddl/lib/libnvpair/Makefile

@@ -7,10 +7,10 @@ LIB=	nvpair
 
 SRCS=	libnvpair.c \
 	nvpair_alloc_system.c \
-	nvpair_alloc_fixed.c \
-	nvpair.c \
 	nvpair_json.c \
-	fnvpair.c
+	opensolaris_fnvpair.c \
+	opensolaris_nvpair.c \
+	opensolaris_nvpair_alloc_fixed.c
 
 WARNS?=	0
 CFLAGS+= -I${.CURDIR}/../../../cddl/compat/opensolaris/include

sys/conf/files

@@ -125,9 +125,9 @@ cddl/compat/opensolaris/kern/opensolaris_vm.c				optional zfs compile-with "${ZF
 cddl/compat/opensolaris/kern/opensolaris_zone.c				optional zfs compile-with "${ZFS_C}"
 cddl/contrib/opensolaris/common/acl/acl_common.c			optional zfs compile-with "${ZFS_C}"
 cddl/contrib/opensolaris/common/avl/avl.c				optional zfs compile-with "${ZFS_C}"
-cddl/contrib/opensolaris/common/nvpair/fnvpair.c			optional zfs compile-with "${ZFS_C}"
-cddl/contrib/opensolaris/common/nvpair/nvpair.c				optional zfs compile-with "${ZFS_C}"
-cddl/contrib/opensolaris/common/nvpair/nvpair_alloc_fixed.c		optional zfs compile-with "${ZFS_C}"
+cddl/contrib/opensolaris/common/nvpair/opensolaris_fnvpair.c		optional zfs compile-with "${ZFS_C}"
+cddl/contrib/opensolaris/common/nvpair/opensolaris_nvpair.c		optional zfs compile-with "${ZFS_C}"
+cddl/contrib/opensolaris/common/nvpair/opensolaris_nvpair_alloc_fixed.c	optional zfs compile-with "${ZFS_C}"
 cddl/contrib/opensolaris/common/unicode/u8_textprep.c			optional zfs compile-with "${ZFS_C}"
 cddl/contrib/opensolaris/common/zfs/zfeature_common.c			optional zfs compile-with "${ZFS_C}"
 cddl/contrib/opensolaris/common/zfs/zfs_comutil.c			optional zfs compile-with "${ZFS_C}"

sys/modules/zfs/Makefile

@@ -13,9 +13,9 @@ SRCS+=	acl_common.c
 .PATH:	${SUNW}/common/avl
 SRCS+=	avl.c
 .PATH:	${SUNW}/common/nvpair
-SRCS+=	nvpair.c
-SRCS+=	nvpair_alloc_fixed.c
-SRCS+=	fnvpair.c
+SRCS+=	opensolaris_nvpair.c
+SRCS+=	opensolaris_nvpair_alloc_fixed.c
+SRCS+=	opensolaris_fnvpair.c
 .PATH:	${SYSDIR}/cddl/contrib/opensolaris/common/unicode
 SRCS+=	u8_textprep.c