fix indentation

Author: nickdesaulniers

generator.yml

@@ -1218,7 +1218,7 @@ builds:
   - {<< : *ppc64,             << : *stable-5_4,       << : *ppc64_llvm,      boot: true,  << : *llvm_latest}
   - {<< : *ppc64le,           << : *stable-5_4,       << : *llvm,            boot: true,  << : *llvm_latest}
   - {<< : *x86_64,            << : *stable-5_4,       << : *llvm_full,       boot: true,  << : *llvm_latest}
-  - {<< : *x86_64_allmod,     << : *stable-5_4,      << : *llvm_full,       boot: false, << : *llvm_latest}
+  - {<< : *x86_64_allmod,     << : *stable-5_4,       << : *llvm_full,       boot: false, << : *llvm_latest}
   ############
   #  4.19.y  #
   ############