[openwrt/openwrt] uboot-envtool: remove superfluous + sign from PKG_BUILD_DEPENDS

[LEDE Commits]

neoraider pushed a commit to openwrt/openwrt.git, branch master:
https://git.lede-project.org/ca04884262b1e9287d24dc18a04be301a020d04b

commit ca04884262b1e9287d24dc18a04be301a020d04b
Author: Matthias Schiffer <mschiffer at universe-factory.net>
AuthorDate: Sun Jan 7 19:52:05 2018 +0100

    uboot-envtool: remove superfluous + sign from PKG_BUILD_DEPENDS
    
    A + sign does not have meaning in build depends.
    
    Signed-off-by: Matthias Schiffer <mschiffer at universe-factory.net>
---
 package/boot/uboot-envtools/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/package/boot/uboot-envtools/Makefile b/package/boot/uboot-envtools/Makefile
index 10175b0..57a2ec5 100644
--- a/package/boot/uboot-envtools/Makefile
+++ b/package/boot/uboot-envtools/Makefile
@@ -19,7 +19,7 @@ PKG_SOURCE_URL:=\
 	ftp://ftp.denx.de/pub/u-boot
 PKG_HASH:=bdc68d5f9455ad933b059c735d983f2c8b6b552dafb062e5ff1444f623021955
 
-PKG_BUILD_DEPENDS:=+fstools
+PKG_BUILD_DEPENDS:=fstools
 
 PKG_LICENSE:=GPL-2.0 GPL-2.0+
 PKG_LICENSE_FILES:=Licenses/README