Merge wasmerio#2388

2388: Fix `make install` when *.hh is empty. r=Hywan a=FGasper

Issue wasmerio#2387

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# Description
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# Review

- [ ] Add a short description of the change to the CHANGELOG.md file


Co-authored-by: Felipe Gasper <[email protected]>

Makefile

@@ -637,7 +637,7 @@ install-wasmer:
 	install -Dm755 target/release/wasmer $(DESTDIR)/bin/wasmer
 
 install-capi-headers:
-	for header in lib/c-api/*.{h,hh}; do install -Dm644 "$$header" $(DESTDIR)/include/$$(basename $$header); done
+	for header in lib/c-api/*.h; do install -Dm644 "$$header" $(DESTDIR)/include/$$(basename $$header); done
 	install -Dm644 lib/c-api/README.md $(DESTDIR)/include/wasmer-README.md
 
 # Currently implemented for linux only. TODO