Add 'Not charging' status support

Exists on various ThinkPads. Seems to be both a synonym for "full".

Tested on:
- ThinkPad T500 (Spenser Truex <truex@equwal.com)
- ThinkPad T420 (drkhsh <me@drkhsh.at)

components/battery.c

@@ -53,6 +53,7 @@
 			{ "Charging",    "+" },
 			{ "Discharging", "-" },
 			{ "Full",        "o" },
+			{ "Not charging", "o" },
 		};
 		size_t i;
 		char path[PATH_MAX], state[12];
@@ -61,7 +62,7 @@
 		              "/sys/class/power_supply/%s/status", bat) < 0) {
 			return NULL;
 		}
-		if (pscanf(path, "%12s", state) != 1) {
+		if (pscanf(path, "%12[a-zA-Z ]", state) != 1) {
 			return NULL;
 		}
 
@@ -84,7 +85,7 @@
 		              "/sys/class/power_supply/%s/status", bat) < 0) {
 			return NULL;
 		}
-		if (pscanf(path, "%12s", state) != 1) {
+		if (pscanf(path, "%12[a-zA-Z ]", state) != 1) {
 			return NULL;
 		}