Use CMAKE_INSTALL_<path> instead of hardcoding bin/lib/ install paths

Helps fix build/packaging issues on machines where default libdir is not
lib but say lib64

Signed-off-by: Khem Raj <raj.khem@gmail.com>

CMakeLists.txt

@@ -46,7 +46,7 @@ install(TARGETS "tinyalsa"
                 "tinycap"
                 "tinymix"
                 "tinypcminfo"
-    RUNTIME DESTINATION "bin"
-    ARCHIVE DESTINATION "lib"
-    LIBRARY DESTINATION "lib")
+    RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}"
+    ARCHIVE DESTINATION "${CMAKE_INSTALL_LIBDIR}"
+    LIBRARY DESTINATION "${CMAKE_INSTALL_LIBDIR}")