Upgrade to 6.4.

Use local list for configure options for better readability/usability.

PKGBUILD

@@ -4,8 +4,8 @@
 # Contributor: judd <jvinet@zeroflux.org>
 
 pkgname=ncurses
-pkgver=6.3
-pkgrel=3
+pkgver=6.4
+pkgrel=1
 pkgdesc='System V Release 4.0 curses emulation library'
 arch=(x86_64)
 url='https://invisible-island.net/ncurses/ncurses.html'
@@ -21,11 +21,11 @@ source=(
   $pkgname-6.3-libs.patch
   $pkgname-6.3-pkgconfig.patch
 )
-sha512sums=('5373f228cba6b7869210384a607a2d7faecfcbfef6dbfcd7c513f4e84fbd8bcad53ac7db2e7e84b95582248c1039dcfc7c4db205a618f7da22a166db482f0105'
+sha512sums=('1c2efff87a82a57e57b0c60023c87bae93f6718114c8f9dc010d4c21119a2f7576d0225dab5f0a227c2cfc6fb6bdbd62728e407f35fce5bf351bb50cf9e0fd34'
             'SKIP'
             'adb02b838c40f1e58a1b31c26d5cd0f2a1c43f3b6d68e839981764c0f6c905a9eb51dd36ff018628fdeb20747cc7467727d57135408ab4848259384077a52b28'
             '2d2c0ec3c880e638ab4aa3dbff5e28e4cd233153e24816bd87e077f848aa3edd5114cd0f2a7f6e8869dd1861a2746e512886c18264ff1676927dcc320c5ef958')
-b2sums=('b2c174ac48d587b4d3aa054f04e4ec8bffd8a657a4aff5f090104965c741901e600712c8f8e5e98f3b8a26bc558996a1e14a746f113854832853b855e9d406c3'
+b2sums=('47fd9c2d27f44fa9942552881a471e5067465dbace40bf68b28998dded0556127a1d8662b96de4de4fd76c1c8b98bdae796036553ab4b05ca9f160839d841ba3'
         'SKIP'
         '31bb10e82dd018a75e57252052650d9f0f5eb5e7e887118c2ea40032b11f59ec6aa4d9bae804c615cbecdf3382f3434e0c9e9e8440fdefe66a507be020b8965c'
         'fb6cf606cf3db7f6b306272696a63bce83d52cfa91e850f9a7bdb9d3d8455a26943529a9cf79731dddc7f763c27211a9afab9c4c31dbb6d12fd720eb390eb0a3')
@@ -41,20 +41,23 @@ prepare() {
 }
 
 build() {
-  cd $pkgname-$pkgver
-
-  ./configure --prefix=/usr \
-    --enable-widec \
-    --enable-pc-files \
-    --mandir=/usr/share/man \
-    --with-cxx-binding \
-    --with-cxx-shared \
-    --with-manpage-format=normal \
-    --with-pkg-config-libdir=/usr/lib/pkgconfig \
-    --with-shared \
-    --with-versioned-syms \
-    --with-xterm-kbs=del \
+  local configure_options=(
+    --prefix=/usr
+    --enable-widec
+    --enable-pc-files
+    --mandir=/usr/share/man
+    --with-cxx-binding
+    --with-cxx-shared
+    --with-manpage-format=normal
+    --with-pkg-config-libdir=/usr/lib/pkgconfig
+    --with-shared
+    --with-versioned-syms
+    --with-xterm-kbs=del
     --without-ada
+  )
+
+  cd $pkgname-$pkgver
+  ./configure "${configure_options[@]}"
   make
 }