use log_err instead of fprintf, improved message

diff --git a/src/lib/nvidia.c b/src/lib/nvidia.c
index 2f28114..cface2f 100644 (file)
--- a/src/lib/nvidia.c
+++ b/src/lib/nvidia.c
@@ -51,7 +51,7 @@ static int get_temp(struct psensor *sensor)
        if (res == True)
                return temp;
 
-       fprintf(stderr, _("ERROR: failed to retrieve nvidia temperature\n"));
+       log_err(_("Failed to retrieve NVIDIA temperature."));
        return 0;
 }
 
@@ -89,8 +89,7 @@ static int init()
        display = XOpenDisplay(NULL);
 
        if (!display) {
-               fprintf(stderr,
-                       _("ERROR: Cannot open connection to X Server\n"));
+               log_err(_("Cannot open connection to X11 server."));
                return 0;
        }
 
@@ -98,7 +97,7 @@ static int init()
            XNVCTRLQueryTargetCount(display, NV_CTRL_TARGET_TYPE_GPU, &n))
                return n;
 
-       fprintf(stderr, _("ERROR: Cannot retrieve NVidia information\n"));
+       log_err(_("Failed to retrieve NVIDIA information."));
 
        return 0;
 }