Remove trailing whitespace from all files (#497)

third_party/compiler_rt/floatsidf.c

@@ -23,30 +23,30 @@ STATIC_YOINK("huge_compiler_rt_license");
 
 COMPILER_RT_ABI fp_t
 __floatsidf(int a) {
-    
+
     const int aWidth = sizeof a * CHAR_BIT;
-    
+
     // Handle zero as a special case to protect clz
     if (a == 0)
         return fromRep(0);
-    
+
     // All other cases begin by extracting the sign and absolute value of a
     rep_t sign = 0;
     if (a < 0) {
         sign = signBit;
         a = -a;
     }
-    
+
     // Exponent of (fp_t)a is the width of abs(a).
     const int exponent = (aWidth - 1) - __builtin_clz(a);
     rep_t result;
-    
+
     // Shift a into the significand field and clear the implicit bit.  Extra
     // cast to unsigned int is necessary to get the correct behavior for
     // the input INT_MIN.
     const int shift = significandBits - exponent;
     result = (rep_t)(unsigned int)a << shift ^ implicitBit;
-    
+
     // Insert the exponent
     result += (rep_t)(exponent + exponentBias) << significandBits;
     // Insert the sign bit and return