chore: Fixed build. (#837)

Signed-off-by: Paolo Insogna <paolo@cowtech.it>

Author: ShogunPanda

Makefile

@@ -54,7 +54,7 @@ release: clean generate
 	cp -rf src/native/*.c release/src/
 	cp -rf src/llhttp.gyp release/
 	cp -rf src/common.gypi release/
-	cp -rf cmake/llhttp-config.cmake.in release/cmake
+	cp -rf cmake/llhttpConfig.cmake.in release/cmake
 	sed s/_RELEASE_/$(RELEASE)/ CMakeLists.txt > release/CMakeLists.txt
 	cp -rf libllhttp.pc.in release/
 	cp -rf README.md release/