[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>

arch/sparc64/Kconfig

@@ -408,7 +408,7 @@ config SUNOS_EMUL
 
 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.

arch/sparc64/kernel/sparc64_ksyms.c

@@ -221,7 +221,7 @@ EXPORT_SYMBOL(pci_dma_supported);
 /* I/O device mmaping on Sparc64. */
 EXPORT_SYMBOL(io_remap_pfn_range);
 
-#ifdef CONFIG_COMPAT
+#if defined(CONFIG_COMPAT) && defined(CONFIG_NET)
 /* Solaris/SunOS binary compatibility */
 EXPORT_SYMBOL(verify_compat_iovec);
 #endif