RuntimeLibcalls: Whitespace fix

Author: arsenm

llvm/include/llvm/IR/RuntimeLibcalls.td

@@ -1585,7 +1585,7 @@ def __aeabi_f2ulz : RuntimeLibcallImpl<FPTOUINT_F32_I64>; // CallingConv::ARM_AA
 // RTABI chapter 4.1.2, Table 7
 def __aeabi_d2f : RuntimeLibcallImpl<FPROUND_F64_F32>; // CallingConv::ARM_AAPCS
 def __aeabi_d2h : RuntimeLibcallImpl<FPROUND_F64_F16>; // CallingConv::ARM_AAPCS
-def  __aeabi_f2d : RuntimeLibcallImpl<FPEXT_F32_F64>; // CallingConv::ARM_AAPCS
+def __aeabi_f2d : RuntimeLibcallImpl<FPEXT_F32_F64>; // CallingConv::ARM_AAPCS
 
 // Integer to floating-point conversions.
 // RTABI chapter 4.1.2, Table 8