Update library.properties version, and minor formatting

Adafruit_NeoPixel.h

@@ -231,7 +231,7 @@ class Adafruit_NeoPixel {
     @return  1 or true if show() will start sending immediately, 0 or false
              if show() would block (meaning some idle time is available).
   */
-  boolean           canShow(void) { return (micros() - endTime) >= 300L; }
+  boolean           canShow(void) const { return (micros()-endTime) >= 300L; }
   /*!
     @brief   Get a pointer directly to the NeoPixel data buffer in RAM.
              Pixel data is stored in a device-native format (a la the NEO_*
@@ -252,7 +252,7 @@ class Adafruit_NeoPixel {
     @brief   Retrieve the pin number used for NeoPixel data output.
     @return  Arduino pin number (-1 if not set).
   */
-  int16_t            getPin(void) const { return pin; };
+  int16_t           getPin(void) const { return pin; };
   /*!
     @brief   Return the number of pixels in an Adafruit_NeoPixel strip object.
     @return  Pixel count (0 if not set).
@@ -340,7 +340,7 @@ class Adafruit_NeoPixel {
   boolean           begun;      ///< true if begin() previously called
   uint16_t          numLEDs;    ///< Number of RGB LEDs in strip
   uint16_t          numBytes;   ///< Size of 'pixels' buffer below
-  int16_t            pin;        ///< Output pin number (-1 if not yet set)
+  int16_t           pin;        ///< Output pin number (-1 if not yet set)
   uint8_t           brightness; ///< Strip brightness 0-255 (stored as +1)
   uint8_t          *pixels;     ///< Holds LED color values (3 or 4 bytes each)
   uint8_t           rOffset;    ///< Red index within each 3- or 4-byte pixel

library.properties

@@ -1,5 +1,5 @@
 name=Adafruit NeoPixel
-version=1.2.3
+version=1.2.4
 author=Adafruit
 maintainer=Adafruit <[email protected]>
 sentence=Arduino library for controlling single-wire-based LED pixels and strip.