Don't let clang-format to put if condition and body on the same line

This is aesthetically bad, and makes it hard to set break points to
specific parts of the code when debugging.

.clang-format

@@ -11,7 +11,7 @@ AllowAllParametersOfDeclarationOnNextLine: true
 AllowShortBlocksOnASingleLine: false
 AllowShortCaseLabelsOnASingleLine: true
 AllowShortFunctionsOnASingleLine: Inline
-AllowShortIfStatementsOnASingleLine: true
+AllowShortIfStatementsOnASingleLine: false
 AllowShortLoopsOnASingleLine: true
 # This option is "deprecated and is retained for backwards compatibility."
 # AlwaysBreakAfterDefinitionReturnType: None