[PATCH (try 2)] http.c: 'use_git_config_string' on configuration options.

Signed-off-by: Guillermo O. Freschi <redacted>
---
Second attempt at offering a Janitorial patch.

  http.c |   34 ++++++++++++----------------------
  1 files changed, 12 insertions(+), 22 deletions(-)

diff --git a/http.c b/http.c
index 256a5f1..22c75f5 100644
--- a/http.c
+++ b/http.c

@@ -13,14 +13,14 @@ static CURL *curl_default;
  char curl_errorstr[CURL_ERROR_SIZE];

  static int curl_ssl_verify = -1;
-static char *ssl_cert = NULL;
+static const char *ssl_cert = NULL;
  #if LIBCURL_VERSION_NUM >= 0x070902
-static char *ssl_key = NULL;
+static const char *ssl_key = NULL;
  #endif
  #if LIBCURL_VERSION_NUM >= 0x070908
-static char *ssl_capath = NULL;
+static const char *ssl_capath = NULL;
  #endif
-static char *ssl_cainfo = NULL;
+static const char *ssl_cainfo = NULL;
  static long curl_low_speed_limit = -1;
  static long curl_low_speed_time = -1;
  static int curl_ftp_no_epsv = 0;

@@ -100,39 +100,29 @@ static int http_options(const char *var, const 

char *value)
  	}

  	if (!strcmp("http.sslcert", var)) {
-		if (ssl_cert == NULL) {
-			if (!value)
-				return config_error_nonbool(var);
-			ssl_cert = xstrdup(value);
-		}
+		if (ssl_cert == NULL)
+			return git_config_string(&ssl_cert, var, value);
  		return 0;
  	}
  #if LIBCURL_VERSION_NUM >= 0x070902
  	if (!strcmp("http.sslkey", var)) {
-		if (ssl_key == NULL) {
-			if (!value)
-				return config_error_nonbool(var);
-			ssl_key = xstrdup(value);
+		if (ssl_key == NULL)
+			return git_config_string(&ssl_key, var, value);
  		}
  		return 0;
  	}
  #endif
  #if LIBCURL_VERSION_NUM >= 0x070908
  	if (!strcmp("http.sslcapath", var)) {
-		if (ssl_capath == NULL) {
-			if (!value)
-				return config_error_nonbool(var);
-			ssl_capath = xstrdup(value);
+		if (ssl_capath == NULL)
+			return git_config_string(&ssl_capath, var, value);
  		}
  		return 0;
  	}
  #endif
  	if (!strcmp("http.sslcainfo", var)) {
-		if (ssl_cainfo == NULL) {
-			if (!value)
-				return config_error_nonbool(var);
-			ssl_cainfo = xstrdup(value);
-		}
+		if (ssl_cainfo == NULL)
+			return git_config_string(&ssl_cainfo,val,var);
  		return 0;
  	}

-- 
1.5.2.2