Fix invalid SPDX identifier in crate license

im-rc-fix-metadata.diff

@@ -1,16 +1,25 @@
 --- im-rc-15.1.0/Cargo.toml	1970-01-01T00:00:01+00:00
-+++ im-rc-15.1.0/Cargo.toml	2023-08-06T14:52:54.312132+00:00
-@@ -62,10 +62,6 @@
- version = "1"
- optional = true
++++ im-rc-15.1.0/Cargo.toml	2023-08-22T20:13:03.251008+00:00
+@@ -28,7 +28,7 @@
+     "rrb-tree",
+ ]
+ categories = ["data-structures"]
+-license = "MPL-2.0+"
++license = "MPL-2.0"
+ repository = "https://github.com/bodil/im-rs"
  
--[dependencies.refpool]
--version = "0.4"
+ [package.metadata.docs.rs]
+@@ -60,10 +60,6 @@
+ 
+ [dependencies.rayon]
+ version = "1"
 -optional = true
 -
- [dependencies.serde]
- version = "1"
+-[dependencies.refpool]
+-version = "0.4"
  optional = true
+ 
+ [dependencies.serde]
 @@ -106,10 +102,6 @@
  
  [features]

rust-im-rc.spec

@@ -10,10 +10,12 @@ Version:        15.1.0
 Release:        %autorelease
 Summary:        Immutable collection datatypes (the fast but not thread safe version)
 
-License:        MPL-2.0+
+License:        MPL-2.0
 URL:            https://crates.io/crates/im-rc
 Source:         %{crates_source}
 # Manually created patch for downstream crate metadata changes
+# * fix invalid SPDX identifier in crate license:
+#   https://github.com/bodil/im-rs/issues/210
 # * drop optional "pool" feature with missing "refpool" dependency
 Patch:          im-rc-fix-metadata.diff