[clang] [analyzer] Fix "sprintf" parameter modeling in CStringChecker (PR #74345)

[Balazs Benics via cfe-commits]

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@@ -1,13 +1,15 @@
-// RUN: %clang_analyze_cc1 -analyzer-checker=core,unix -verify %s
-
-// expected-no-diagnostics
+// RUN: %clang_analyze_cc1 -analyzer-checker=core,unix,debug.ExprInspection -verify %s
 
 // Test functions that are called "memcpy" but aren't the memcpy
 // we're looking for. Unfortunately, this test cannot be put into
 // a namespace. The out-of-class weird memcpy needs to be recognized
 // as a normal C function for the test to make sense.
 typedef __typeof(sizeof(int)) size_t;
 void *memcpy(void *, const void *, size_t);
+int sprintf(char *str, const char *format, ...);
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steakhal wrote:

Added the newline.

https://github.com/llvm/llvm-project/pull/74345