PKG: proper check for unknown depependencies

Packaging/process_file_recurse.cmake

@@ -31,18 +31,18 @@ function(process_file_recurse input_file)
     if(LINUX)
       setif_value_in_list(is_gtk_lib "${input_file}" ALLOWED_SYSTEM_DLLS)
       if(is_gtk_lib)
-	search_library(${input_file} PKG_GTK_SEARCHDIRS input_file_full_path)
-	if( NOT input_file_full_path)
-	  message(FATAL_ERROR "${input_file} not found. searched in ${PKG_GTK_SEARCHDIRS}")
-	endif()
+        search_library(${input_file} PKG_GTK_SEARCHDIRS input_file_full_path)
+        if( NOT input_file_full_path)
+          message(FATAL_ERROR "${input_file} not found. searched in ${PKG_GTK_SEARCHDIRS}")
+        endif()
       endif()
-      if( NOT input_file_full_path)
-	message(FATAL_ERROR "${input_file} not found. searched in ${PKG_SEARCHDIRS}")
-	endif()
     endif(LINUX)
-
   endif() #if(NOT input_file_full_path)
 
+  if( NOT input_file_full_path)
+    message(FATAL_ERROR "${input_file} not found. searched in ${PKG_SEARCHDIRS}")
+  endif()
+
   if(NOT PKG_DEBUG)
     message("Processing ${input_file_full_path}")
   endif()