[SPARC64]: Fix build with CONFIG_NET disabled.

We can't export verify_compat_iovec when CONFIG_NET is
disabled, and consequently the Solaris compat module
should also depend upon CONFIG_NET.

Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/arch/sparc64/Kconfig b/arch/sparc64/Kconfig
index bd59ab0..10b212a 100644
--- a/arch/sparc64/Kconfig
+++ b/arch/sparc64/Kconfig
@@ -408,7 +408,7 @@
 
 config SOLARIS_EMUL
 	tristate "Solaris binary emulation (EXPERIMENTAL)"
-	depends on SPARC32_COMPAT && EXPERIMENTAL
+	depends on SPARC32_COMPAT && NET && EXPERIMENTAL
 	help
 	  This is experimental code which will enable you to run (many)
 	  Solaris binaries on your SPARC Linux machine.