rhash: change build_style to configure

The configure script is just a random shell script

srcpkgs/rhash/patches/configure.patch

@@ -1,17 +0,0 @@
---- configure.orig
-+++ configure
-@@ -194,7 +194,6 @@
-     ;;
-   *)
-       echo "unknown option $OPT"
--      exit 1
-       ;;
-   esac
-   shift
-@@ -897,4 +896,4 @@
- Libs.private: ${OPENSSL_LDFLAGS}
- 
- EOF
--fi
-\ No newline at end of file
-+fi

srcpkgs/rhash/template

@@ -3,8 +3,9 @@ pkgname=rhash
 version=1.4.1
 revision=1
 wrksrc="RHash-${version}"
-build_style=gnu-configure
-configure_args="--enable-openssl --disable-openssl-runtime"
+build_style=configure
+configure_args="--enable-openssl --disable-openssl-runtime
+ --prefix=/usr --sysconfdir=/etc"
 conf_files="/etc/rhashrc"
 makedepends="libressl-devel"
 short_desc="Utility for computing hash sums and creating magnet links"