Fixed gzip signature tags

src/binwalk/magic/compressed

@@ -93,18 +93,17 @@
 #0       string          \037\213\x08    gzip compressed data
 0       string          \x1f\x8b\x08    gzip compressed data
 >3      byte            &0x01           \b, ASCII
->3      byte&0xE0    !0x00        \b, {invalid} reserved flag bits
+>3      byte&0xE0       !0x00           \b, {invalid}invalid reserved flag bits
 >8      byte            2               \b, maximum compression
 >8      byte            4               \b, fastest compression
->8      byte        1        \b, {invalid} extra flags
->8      byte        3        \b, {invalid} extra flags
->8      byte        >4        \b, {invalid} extra flags
+>8      byte            1               \b, {invalid}invalid extra flags
+>8      byte            3               \b, {invalid}invalid extra flags
+>8      byte            >4              \b, {invalid}invalid extra flags
 >3      byte            &0x02           \b, has header CRC
 >3      byte&0x04       0x04
 >>10    leshort         x               \b, has %d bytes of extra data
 >3      byte&0xC        =0x08           \b, has original file name
->>10    string        x        \b{file-name:%s}
->>10    string          x               \b: "%s"
+>>10    string          x               \b: "%s"{name:%s}
 >3      byte            &0x10           \b, has comment
 >>3     byte&0xC        0
 >>>10   string          x               \b: "%s"

src/binwalk/modules/extractor.py

@@ -125,8 +125,7 @@ class Extractor(Module):
         # Note that r.display is still True even if --quiet has been specified; it is False if the result has been
         # explicitly excluded via the -y/-x options.
         if r.valid and r.extract and r.display:
-            # Do the extraction
-            binwalk.core.common.debug("Attempting extraction...")
+            # Attempt extraction
             (extraction_directory, dd_file) = self.extract(r.offset, r.description, r.file.name, size, r.name)
 
             # If the extraction was successful, self.extract will have returned the output directory and name of the dd'd file
@@ -354,6 +353,8 @@ class Extractor(Module):
         # No extraction rules for this file
         if not rules:
             return (None, None)
+        else:
+            binwalk.core.common.debug("Found %d matching extraction rules" % len(rules))
 
         output_directory = self.build_output_directory(file_name)