Removed trailing spaces in the most relevant files

Command used for the job:
egrep -rl ' $' --include *.c --include *.h --include  *.s --include  *.inc --include  *.txt *  | xargs sed -i 's/\s\+$//g'

Credits to Grant Murphy from Stack Overflow.

src/daycare.c

@@ -920,7 +920,7 @@ static bool8 TryProduceOrHatchEgg(struct DayCare *daycare)
 
                 SetMonData(&gPlayerParty[i], MON_DATA_FRIENDSHIP, &eggCycles);
             }
-            else 
+            else
             {
                 gSpecialVar_0x8004 = i;
                 return TRUE;