Fix version ordering.

Author: mp911de

src/main/java/org/springframework/data/release/model/ArtifactVersion.java

@@ -551,6 +551,7 @@ public int compareTo(Suffix o) {
 				if (sv.type.equals("SR")) {
 					return -1;
 				}
+				return 1;
 			}
 
 			return o instanceof Release ? 0 : -1;

src/test/java/org/springframework/data/release/model/ArtifactVersionUnitTests.java

@@ -143,6 +143,10 @@ void ordersCorrectly() {
 				.isGreaterThan(ArtifactVersion.of("1.9.0-M1"));
 		assertThat(ArtifactVersion.of("1.9.0-M2")).isGreaterThan(ArtifactVersion.of("1.9.0-SNAPSHOT"))
 				.isLessThan(ArtifactVersion.of("1.9.0-RC1")).isLessThan(ArtifactVersion.of("1.9.0"));
+
+		assertThat(ArtifactVersion.of("1.9.0.M1")).isLessThan(ArtifactVersion.of("1.9.0"))
+				.isLessThan(ArtifactVersion.of("1.9.0.RELEASE")).isLessThan(ArtifactVersion.of("1.9.0-SR1"));
+		assertThat(ArtifactVersion.of("1.9.0.RELEASE")).isGreaterThan(ArtifactVersion.of("1.9.0.M1"));
 	}
 
 	@Test
@@ -152,4 +156,5 @@ void returnsCorrectBugfixVersions() {
 		assertThat(ArtifactVersion.of("1.0.0-M1").getNextBugfixVersion()).isEqualTo(ArtifactVersion.of("1.0.0-SNAPSHOT"));
 		assertThat(ArtifactVersion.of("1.0.1").getNextBugfixVersion()).isEqualTo(ArtifactVersion.of("1.0.2-SNAPSHOT"));
 	}
+
 }