Corrected code to use helper function.

src/loaih/build.py

@@ -575,14 +575,7 @@ class Build():
                 subprocess.run(['sudo', 'apt-file', 'update'], check=True)
 
                 # Let's try to find and install also other libraries
-                additional = []
-                for lib in not_found:
-                    libsearch = subprocess.run(shlex.split(
-                        f"sudo apt-file find -lx {lib}$"
-                    ), check=True, capture_output=True)
-                    candidate = [ x for x in libsearch.stdout.decode('utf-8').split(r"\n") if 'lib' in x ][0]
-                    additional.append(candidate)
-
+                additional = list(dict.fromkeys([ libfinderhelper(x) for x in not_found ]))
                 debs.extend(additional)
 
                 # We download the missing dependencies leveraging apt