Fix typo

Replace 'complier' with 'compiler'.

Author: visitorckw

riscv-c-api.md

@@ -102,7 +102,7 @@ If none of the rules apply, `__riscv_v_elen_fp` is undefined.
 
 These can be used in common library code to compile time segregate code which relies
 on misaligned access being fast or not.
-A typical complier could (but not necessarily) map fast variant to -mno-strict-align
+A typical compiler could (but not necessarily) map fast variant to -mno-strict-align
 and avoid to -mstrict-align, if specified.
 Perhaps obvious, but these are mutually exclusive, so only one is defined at a time
 for a compilation unit.