[librsvg: 42/43] Bump Rust version to 1.36, for string-cache and Option.copied()

[Federico Mena Quintero <federico src gnome org>]

commit 8ed231363b55dba543e13353b2c49bfaff10ac8b
Author: Federico Mena Quintero <federico gnome org>
Date:   Mon Oct 14 18:51:43 2019 -0500

    Bump Rust version to 1.36, for string-cache and Option.copied()
    
    Option.copied() is from 1.35.
    
    String-cache required pinning to a specific version to avoid
    MaybeUninited, from 1.36.

 COMPILING.md | 2 +-
 configure.ac | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/COMPILING.md b/COMPILING.md
index d2054efd..47443bf5 100644
--- a/COMPILING.md
+++ b/COMPILING.md
@@ -32,7 +32,7 @@ minimum version is listed here; you may use a newer version instead.
 **Compilers:**
 
 * a C compiler and `make` tool; we recommend GNU `make`.
-* rust 1.34 or later
+* rust 1.36 or later
 * cargo
 
 **Mandatory dependencies:**
diff --git a/configure.ac b/configure.ac
index 0ba3a659..613c572a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -116,7 +116,7 @@ AC_CHECK_PROGS(NM, nm)
 dnl Minimum version of rustc that we support
 dnl If you change this, please update COMPILING.md
 MINIMUM_RUST_MAJOR=1
-MINIMUM_RUST_MINOR=34
+MINIMUM_RUST_MINOR=36
 
 rust_version=`$RUSTC --version`
 version=`echo "$rust_version" | sed -e 's/^rustc //g'`