Fixed a few visual analyzer warnings

programs/fuzzer.c

@@ -206,6 +206,12 @@ static int basicUnitTests(U32 seed, double compressibility)
     CNBuffer = malloc(COMPRESSIBLE_NOISE_LENGTH);
     compressedBuffer = malloc(ZSTD_compressBound(COMPRESSIBLE_NOISE_LENGTH));
     decodedBuffer = malloc(COMPRESSIBLE_NOISE_LENGTH);
+    if (!CNBuffer || !compressedBuffer || !decodedBuffer)
+    {
+        DISPLAY("Not enough memory, aborting\n");
+        testResult = 1;
+        goto _end;
+    }
     FUZ_generateSynthetic(CNBuffer, COMPRESSIBLE_NOISE_LENGTH, compressibility, &randState);
 
     // Basic tests

programs/zstdcli.c

@@ -281,6 +281,7 @@ int main(int argc, char** argv)
         {
             size_t l = strlen(inFileName);
             dynNameSpace = (char*)calloc(1,l+5);
+            if (dynNameSpace==NULL) { DISPLAY("not enough memory\n"); exit(1); }
             strcpy(dynNameSpace, inFileName);
             strcpy(dynNameSpace+l, ZSTD_EXTENSION);
             outFileName = dynNameSpace;
@@ -292,6 +293,7 @@ int main(int argc, char** argv)
             size_t outl;
             size_t inl = strlen(inFileName);
             dynNameSpace = (char*)calloc(1,inl+1);
+            if (dynNameSpace==NULL) { DISPLAY("not enough memory\n"); exit(1); }
             outFileName = dynNameSpace;
             strcpy(dynNameSpace, inFileName);
             outl = inl;