remove bashism (FS#51435)

0002-intel-ucode.patch

@@ -30,7 +30,7 @@ index de9044c..f5d3e78 100644
 +  initrd_extra=
 +  for i in intel-ucode.img; do
 +    if test -e "${dirname}/${i}" ; then
-+      initrd_extra+=" ${i}"
++      initrd_extra="${initrd_extra} ${i}"
 +    fi
 +  done
  

PKGBUILD

@@ -23,7 +23,7 @@ _UNIFONT_VER="6.3.20131217"
 pkgname="grub"
 pkgdesc="GNU GRand Unified Bootloader (2)"
 pkgver=2.02.beta3
-pkgrel=3
+pkgrel=4
 epoch=1
 url="https://www.gnu.org/software/grub/"
 arch=('x86_64' 'i686')
@@ -53,6 +53,8 @@ if [[ "${_GRUB_EMU_BUILD}" == "1" ]]; then
                  'sdl: For grub-emu SDL support')
 fi
 
+validpgpkeys=('95D2E9AB8740D8046387FD151A09227B1F435A33')  # Paul Hardy <unifoundry@unifoundry.com>
+
 source=("grub-${_pkgver}::git+git://git.sv.gnu.org/grub.git#tag=${_GRUB_GIT_TAG}"
         "grub-extras::git+git://git.sv.gnu.org/grub-extras.git#commit=${_GRUB_EXTRAS_COMMIT}"
         "http://ftp.gnu.org/gnu/unifont/unifont-${_UNIFONT_VER}/unifont-${_UNIFONT_VER}.bdf.gz"
@@ -65,18 +67,17 @@ source=("grub-${_pkgver}::git+git://git.sv.gnu.org/grub.git#tag=${_GRUB_GIT_TAG}
         'grub.default'
         'grub.cfg')
 
-md5sums=('SKIP'
-         'SKIP'
-         '728b7439ac733a7c0d56049adec364c7'
-         'SKIP'
-         '9589ec46a04f9bb4d5da987340a4a324'
-         'ff3b8524983ce02fc48fce38f96b1a82'
-         'ba9d27c44b677bf329e5b96933bdbde8'
-         'e506ae4a9f9f7d1b765febfa84e10d48'
-         'f1999315bbd25b4b9359919ce9b36144'
-         'a03ffd56324520393bf574cefccb893d'
-         'c8b9511586d57d6f2524ae7898397a46')
-validpgpkeys=('95D2E9AB8740D8046387FD151A09227B1F435A33')  #Paul Hardy
+sha256sums=('SKIP'
+            'SKIP'
+            '6dc2596a0cec08f36de7fb066f12015b572456c90d4e06ddc7b399a3e50b5f89'
+            'SKIP'
+            '6a85a2a93a27f64bac68bef513e3239a898a0502221978b3cb99e41994021b05'
+            '37adb95049f6cdcbdbf60ed6b6440c5be99a4cd307a0f96c3c3837b6c2e07f3c'
+            'b41e4438319136b5e74e0abdfcb64ae115393e4e15207490272c425f54026dd3'
+            'a5198267ceb04dceb6d2ea7800281a42b3f91fd02da55d2cc9ea20d47273ca29'
+            'bf712de689a944ac23a0303bbcc223eedf8d4fcb5c94bdc071c71c2444158a7f'
+            'df764fbd876947dea973017f95371e53833bf878458140b09f0b70d900235676'
+            'c5e4f3836130c6885e9273c21f057263eba53f4b7c0e2f111f6e5f2e487a47ad')
 
 _pkgver() {
 	cd "${srcdir}/grub-${_pkgver}/"