Get rid of leading whitespace to silence warnings from config system.

package/avahi/Config.in

@@ -8,7 +8,7 @@ config BR2_PACKAGE_AVAHI
 	  http://www.avahi.org/
 
 config BR2_PACKAGE_AVAHI_AUTOIPD
-	bool "  IPv4LL network address configuration daemon"
+	bool "IPv4LL network address configuration daemon"
 	default y
 	depends on BR2_PACKAGE_AVAHI
 	help
@@ -20,7 +20,7 @@ config BR2_PACKAGE_AVAHI_AUTOIPD
 	  lack a DHCP server.
 
 config BR2_PACKAGE_AVAHI_DAEMON
-	bool "  mDNS/DNS-SD daemon"
+	bool "mDNS/DNS-SD daemon"
 	default n
 	depends on BR2_PACKAGE_AVAHI
 	select BR2_PACKAGE_EXPAT

package/dropbear/Config.in

@@ -7,7 +7,7 @@ config BR2_PACKAGE_DROPBEAR
 	  http://matt.ucc.asn.au/dropbear/dropbear.html
 
 config BR2_PACKAGE_DROPBEAR_URANDOM
-	bool "  Use /dev/urandom (low entropy systems only)?"
+	bool "Use /dev/urandom (low entropy systems only)?"
 	default n
 	depends on BR2_PACKAGE_DROPBEAR
 	help

toolchain/Config.in

@@ -13,7 +13,7 @@ config BR2_TOOLCHAIN_BUILDROOT
 
 config BR2_TOOLCHAIN_EXTERNAL
 	bool
-	prompt " External toolchain"
+	prompt "External toolchain"
 endchoice
 
 source "toolchain/Config.in.2"