[fractal] Cargo: include debug symbols in all build types

[Jordan Petridis <jpetridis src gnome org>]

commit 10b1f4503cf31269286dab61a1ebaae1102d7b54
Author: Jordan Petridis <jpetridis gnome org>
Date:   Wed Sep 18 19:20:05 2019 +0000

    Cargo: include debug symbols in all build types
    
    Release profile defaults to no building debug symbols making it hard
    to get useful backtraces from users.

 Cargo.toml | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
---
diff --git a/Cargo.toml b/Cargo.toml
index 9e7f8c14..0c0ed03e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -6,7 +6,8 @@ members = [
 
 [profile.release]
 panic = "abort"
+debug = true
 
 [profile.dev]
 panic = "abort"
-
+debug = true