podman-import.1.md: fix shell syntax
@@ -55,7 +55,7 @@ db65d991f3bbf7f31ed1064db9a6ced7652e3f8166c4736aa9133dadd3c7acb3
```
```
-$ podman import --change "ENTRYPOINT ["/bin/sh","-c","test-image"]" --change LABEL=blue=image test-image.tar image-imported
+$ podman import --change 'ENTRYPOINT ["/bin/sh","-c","test-image"]' --change LABEL=blue=image test-image.tar image-imported
Getting image source signatures
Copying blob e3b0c44298fc skipped: already exists
Copying config 1105523502 done
