nano: fix path to /tmp

packages/nano/build.sh

@@ -2,7 +2,7 @@ TERMUX_PKG_HOMEPAGE=https://www.nano-editor.org/
 TERMUX_PKG_DESCRIPTION="Small, free and friendly text editor"
 TERMUX_PKG_LICENSE="GPL-2.0"
 TERMUX_PKG_VERSION=3.2
-TERMUX_PKG_REVISION=2
+TERMUX_PKG_REVISION=3
 TERMUX_PKG_SHA256=d12773af3589994b2e4982c5792b07c6240da5b86c5aef2103ab13b401fe6349
 TERMUX_PKG_SRCURL=https://nano-editor.org/dist/latest/nano-$TERMUX_PKG_VERSION.tar.xz
 TERMUX_PKG_DEPENDS="libandroid-support, libandroid-glob, ncurses"

packages/nano/src-files.c.patch

@@ -0,0 +1,12 @@
+diff -uNr nano-3.2/src/files.c nano-3.2.mod/src/files.c
+--- nano-3.2/src/files.c	2018-11-05 21:04:46.000000000 +0200
++++ nano-3.2.mod/src/files.c	2019-03-01 22:09:30.233108029 +0200
+@@ -1439,7 +1439,7 @@
+ 
+ 	/* if P_tmpdir is NULL, use /tmp. */
+ 	if (full_tempdir == NULL)
+-		full_tempdir = mallocstrcpy(NULL, "/tmp/");
++		full_tempdir = mallocstrcpy(NULL, "@TERMUX_PREFIX@/tmp/");
+ 
+ 	full_tempdir = charealloc(full_tempdir, strlen(full_tempdir) + 12);
+ 	strcat(full_tempdir, "nano.XXXXXX");