Fixup warnings and undefined operations that show up in gcc-3.1

-Erik

archival/libunarchive/deb_extract.c

@@ -80,4 +80,5 @@ char *deb_extract(const char *package_filename, FILE *out_stream,
 		free(file_list);
 	}
 	return(output_buffer);
-}
+}
+

archival/libunarchive/get_header_ar.c

@@ -103,4 +103,5 @@ file_header_t *get_header_ar(FILE *src_stream)
 	typed->gid = atoi(ar.formated.gid);
 
 	return(typed);
-}
+}
+

archival/libunarchive/get_header_cpio.c

@@ -133,4 +133,5 @@ file_header_t *get_header_cpio(FILE *src_stream)
 		}
 	}
 	return(cpio_entry);
-}
+}
+

archival/libunarchive/get_header_tar.c

@@ -96,4 +96,5 @@ file_header_t *get_header_tar(FILE *tar_stream)
 		strtol(tar.formated.devminor, NULL, 8);
 
 	return(tar_entry);
-}
+}
+

archival/libunarchive/seek_sub_file.c

@@ -32,4 +32,5 @@ void seek_sub_file(FILE *src_stream, const int count)
 		}
 	}
 	return;
-}
+}
+