libsqlite: use correct path for temp dirs

packages/libsqlite/build.sh

@@ -6,6 +6,7 @@ _SQLITE_MINOR=24
 _SQLITE_PATCH=0
 TERMUX_PKG_SHA256=d9d14e88c6fb6d68de9ca0d1f9797477d82fc3aed613558f87ffbdbbc5ceb74a
 TERMUX_PKG_VERSION=${_SQLITE_MAJOR}.${_SQLITE_MINOR}.${_SQLITE_PATCH}
+TERMUX_PKG_REVISION=1
 TERMUX_PKG_SRCURL=https://www.sqlite.org/2018/sqlite-autoconf-${_SQLITE_MAJOR}${_SQLITE_MINOR}0${_SQLITE_PATCH}00.tar.gz
 # ac_cv_func_strerror_r=no as strerror_r() with the
 # GNU signature is only # available in android-23:

packages/libsqlite/sqlite3.c.patch

@@ -0,0 +1,15 @@
+diff -uNr sqlite-autoconf-3240000/sqlite3.c sqlite-autoconf-3240000.mod/sqlite3.c
+--- sqlite-autoconf-3240000/sqlite3.c	2018-06-04 22:51:29.000000000 +0300
++++ sqlite-autoconf-3240000.mod/sqlite3.c	2018-06-19 16:38:55.317608333 +0300
+@@ -37234,9 +37234,8 @@
+   static const char *azDirs[] = {
+      0,
+      0,
+-     "/var/tmp",
+-     "/usr/tmp",
+-     "/tmp",
++     "@TERMUX_PREFIX@/var/tmp",
++     "@TERMUX_PREFIX@/tmp",
+      "."
+   };
+   unsigned int i = 0;