config.c: *.txt -> *.adoc fixes

Signed-off-by: Todd Zullinger <tmz@pobox.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

config.c

@@ -1652,7 +1652,7 @@ static int git_default_core_config(const char *var, const char *value,
 		return 0;
 	}
 
-	/* Add other config variables here and to Documentation/config.txt. */
+	/* Add other config variables here and to Documentation/config.adoc. */
 	return platform_core_config(var, value, ctx, cb);
 }
 
@@ -1663,7 +1663,7 @@ static int git_default_sparse_config(const char *var, const char *value)
 		return 0;
 	}
 
-	/* Add other config variables here and to Documentation/config/sparse.txt. */
+	/* Add other config variables here and to Documentation/config/sparse.adoc. */
 	return 0;
 }
 
@@ -1679,7 +1679,7 @@ static int git_default_i18n_config(const char *var, const char *value)
 		return git_config_string(&git_log_output_encoding, var, value);
 	}
 
-	/* Add other config variables here and to Documentation/config.txt. */
+	/* Add other config variables here and to Documentation/config.adoc. */
 	return 0;
 }
 
@@ -1715,7 +1715,7 @@ static int git_default_branch_config(const char *var, const char *value)
 		return 0;
 	}
 
-	/* Add other config variables here and to Documentation/config.txt. */
+	/* Add other config variables here and to Documentation/config.adoc. */
 	return 0;
 }
 
@@ -1744,7 +1744,7 @@ static int git_default_push_config(const char *var, const char *value)
 		return 0;
 	}
 
-	/* Add other config variables here and to Documentation/config.txt. */
+	/* Add other config variables here and to Documentation/config.adoc. */
 	return 0;
 }
 
@@ -1760,7 +1760,7 @@ static int git_default_mailmap_config(const char *var, const char *value)
 		return git_config_string(&git_mailmap_blob, var, value);
 	}
 
-	/* Add other config variables here and to Documentation/config.txt. */
+	/* Add other config variables here and to Documentation/config.adoc. */
 	return 0;
 }
 
@@ -1773,7 +1773,7 @@ static int git_default_attr_config(const char *var, const char *value)
 
 	/*
 	 * Add other attribute related config variables here and to
-	 * Documentation/config/attr.txt.
+	 * Documentation/config/attr.adoc.
 	 */
 	return 0;
 }
@@ -1831,7 +1831,7 @@ int git_default_config(const char *var, const char *value,
 	if (starts_with(var, "sparse."))
 		return git_default_sparse_config(var, value);
 
-	/* Add other config variables here and to Documentation/config.txt. */
+	/* Add other config variables here and to Documentation/config.adoc. */
 	return 0;
 }