find_library: include get_linker_always_args in link args

The linker always args, as the name implies, should always be included. For
example, the AIX get_allow_undefined_link_args are a syntax error unless
the AIX get_linker_always_args are also used.

mesonbuild/compilers/mixins/clike.py

@@ -1033,7 +1033,7 @@ class CLikeCompiler:
         if ((not extra_dirs and libtype is LibType.PREFER_SHARED) or
                 libname in self.internal_libs):
             cargs = ['-l' + libname]
-            largs = self.get_allow_undefined_link_args()
+            largs = self.get_linker_always_args() + self.get_allow_undefined_link_args()
             extra_args = cargs + self.linker_to_compiler_args(largs)
 
             if self.links(code, env, extra_args=extra_args, disable_cache=True)[0]: