Reduce two read_byte calls to read_short.

Author: GraylinKim

sc2reader/parsers.py

@@ -78,8 +78,8 @@ def parse_ability_event(self, buffer, frames, type, code, pid):
 
         if atype & 0x20: # command card
             end = buffer.peek(35)
-            ability = buffer.read_byte() << 8 | buffer.read_byte() 
-            
+            ability = buffer.read_short()
+
             if flag in (0x29, 0x19, 0x14): # cancels
                 # creation autoid number / object id
                 ability = ability << 8 | buffer.read_byte()
@@ -219,7 +219,7 @@ def parse_ability_event(self, buffer, frames, type, code, pid):
 
         if atype & 0x20: # command card
             end = buffer.peek(35)
-            ability = buffer.read_byte() << 8 | buffer.read_byte()
+            ability = buffer.read_short()
 
             if flag in (0x29, 0x19, 0x14, 0x0c): # cancels
                 # creation autoid number / object id