CheckBasicStyle: Check number of empty lines between functions (#4267)

Add check for number of empty lines between functions and fix the corresponding failures

src/StringUtils.cpp

@@ -93,6 +93,7 @@ AStringVector StringSplit(const AString & str, const AString & delim)
 
 
 
+
 AStringVector StringSplitWithQuotes(const AString & str, const AString & delim)
 {
 	AStringVector results;
@@ -185,6 +186,7 @@ AString StringJoin(const AStringVector & a_Strings, const AString & a_Delimeter)
 
 
 
+
 AStringVector StringSplitAndTrim(const AString & str, const AString & delim)
 {
 	AStringVector results;
@@ -205,6 +207,7 @@ AStringVector StringSplitAndTrim(const AString & str, const AString & delim)
 
 
 
+
 AString TrimString(const AString & str)
 {
 	size_t len = str.length();
@@ -346,6 +349,7 @@ void ReplaceString(AString & iHayStack, const AString & iNeedle, const AString &
 
 
 
+
 AString & RawBEToUTF8(const char * a_RawData, size_t a_NumShorts, AString & a_UTF8)
 {
 	a_UTF8.clear();
@@ -360,6 +364,7 @@ AString & RawBEToUTF8(const char * a_RawData, size_t a_NumShorts, AString & a_UT
 
 
 
+
 AString UnicodeCharToUtf8(unsigned a_UnicodeChar)
 {
 	if (a_UnicodeChar < 0x80)
@@ -610,7 +615,6 @@ are equivalent to the following loop:
 
 
 
-
 #define HEX(x) static_cast<char>((x) > 9 ? (x) + 'A' - 10 : (x) + '0')
 
 /**
@@ -1052,6 +1056,10 @@ AString StringsConcat(const AStringVector & a_Strings, char a_Separator)
 	return res;
 }
 
+
+
+
+
 bool StringToFloat(const AString & a_String, float & a_Num)
 {
 	char *err;