[librsvg: 1/2] Check for prefix cargo as well

[Federico Mena Quintero <federico src gnome org>]

commit 8e98c8a66e422a3f21c661f49a3e60c57b2f4956
Author: Heiko Becker <heirecka exherbo org>
Date:   Sun Nov 22 10:44:50 2020 +0100

    Check for prefix cargo as well
    
    Similar to 89774df8573ed2c88eb596693dd00c33837c7c61, cargo might be
    prefixed with the target arch when cross-compiling.

 configure.ac | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/configure.ac b/configure.ac
index 29318585..60394eec 100644
--- a/configure.ac
+++ b/configure.ac
@@ -103,7 +103,7 @@ AC_SUBST(DLOPEN_LIBS)
 
 dnl ===========================================================================
 
-AC_CHECK_PROGS(CARGO, [cargo], [no])
+AC_CHECK_TOOL(CARGO, [cargo], [no])
 AS_IF(test x$CARGO = xno,
     AC_MSG_ERROR([cargo is required.  Please install the Rust toolchain from https://www.rust-lang.org/])
 )